Explanation:
Scientists have predicted that long-term effects of climate change will include a decrease in sea ice and an increase in permafrost thawing, an increase in heat waves and heavy precipitation, and decreased water resources in semi-arid regions.
Below are some of the regional impacts of global change forecast by the Intergovernmental Panel on Climate Change:
North America: Decreasing snowpack in the western mountains; 5-20 percent increase in yields of rain-fed agriculture in some regions; increased frequency, intensity and duration of heat waves in cities that currently experience them.
Latin America: Gradual replacement of tropical forest by savannah in eastern Amazonia; risk of significant biodiversity loss through species extinction in many tropical areas; significant changes in water availability for human consumption, agriculture and energy generation.
Europe: Increased risk of inland flash floods; more frequent coastal flooding and increased erosion from storms and sea level rise; glacial retreat in mountainous areas; reduced snow cover and winter tourism; extensive species losses; reductions of crop productivity in southern Europe.
Africa: By 2020, between 75 and 250 million people are projected to be exposed to increased water stress; yields from rain-fed agriculture could be reduced by up to 50 percent in some regions by 2020; agricultural production, including access to food, may be severely compromised.
Asia: Freshwater availability projected to decrease in Central, South, East and Southeast Asia by the 2050s; coastal areas will be at risk due to increased flooding; death rate from disease associated with floods and droughts expected to rise in some regions
In order to be called homeostasis the conditions involved must be found where in an organism?
body temp, blood glucose, pH levels, etc
im not 100% sure this is correct i hope it helps :)
Describe the characteristics and classification of seedless vascular and nonvascular plants
Answer:
Vascular plants, also known as tracheophytes, are plants found on land that have lignified tissues for conducting water and minerals throughout the body of the plant.
1. These lignified tissues are also called vascular tissue and consist of water-conducting xylem tissue and food-conducting phloem tissue.
2. Vascular tissue forms a central column, also called stele, through the plant axis for the transport of different substances.
3. Vascular plants are said to have a true stem, leaves, and roots due to the presence of vascular tissues.
4. The root is a true root that enables the plant to anchor onto the soil and gets nutrients from it.
5. The leaves are broad and have stomata that work for gas exchange and support transpiration.
6. The stem of vascular plants is multilayered with vascular tissue that helps in the protection and conduction of food and water.
7. The arrangement of these issues might be different in a different group of plants as it depends on the pattern of division of cells.
8. The xylem is composed of non-living matter, tracheids, and vesicles, hardened by lignin that provides a stiff structure to the tissue. 9. The phloem, on the other hand, contains living sieve elements that are not lignified.
10. Vascular plants are capable of surviving on land due to their ability to transport food, water, and mineral to different parts of the plant by creating pressure through the tissues.
11. Besides, they also have several modifications that facilitate their survival on land.
12. Another essential characteristic of vascular plants is that the principal generation phase in these plants is the sporophytic phase where they produce diploid spores.
13. Vascular plants are tall and large in size compared to the non-vascular plants because of their ability to transport necessary substances to all parts of the body via vascular tissue.
14. It is believed that vascular plants are a more evolved version of non-vascular plants and thus came later in the evolutionary history.
15. Vascular plants are divided into two groups; non-seed plants or lower vascular plants or cryptograms and seed plants or higher vascular plants or phanerogams.
16. The lower vascular plants include plants like ferns that although are adapted to survive on land still have some characteristics of their aquatic ancestry. These plants belong to the group Pteridophyta.
17. The higher vascular plants are numerous and extremely diverse and are further divided into different subgroups.
18.Some examples of vascular plants include maize, mustard, rose, cycad, ferns, clubmosses, grasses, etc.
Answer:
Definition of nonvascular plant
: a simple, low-growing, nonflowering plant (such as a moss or liverwort) that lacks specialized conducting channels for transporting water and nutrients
vascular plants have lignified tissues for conducting water and minerals throughout the plant.
Explanation:
please help answer these 3! 50 points
Answer:
it may affect the animals and other tree's.
Explanation:
it may affect animals because since it is a new tree, you might not know that it may be harmful for some animals, like maybe the berries the produce are poisonous or fruits some animals are forbidden to eat. this may be a problem because some animals may accidentally eat that fruit and possibly be injured or die.
trees need sunlight and food, if another tree hopes in suddenly there would be more competition for sunlight and water, there may also be not enough water and sunlight for all the trees to share. this is a problem because if the trees can't get enough sunlight and water, they would die and this leads to a broken home for the animals living in that tree.
Answer:
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Fill out this cell worksheet
Answer:
The correct answer is - 1. F 2. F 3. T 4. T 5. T 6. T 7. F 8. F 9. F 10. F
11. B, rectangular, and cell wall.
Explanation:
1. and 7. Only plant cells contain chloroplast to perform the photosynthesis process not animals. 2. and 6. Animal and plant cells both contain the mitochondria to perform cellular respiration in order to get energy from the food. 3. and 4. Plant cells have a rectangular shape structure and animal cells typically show round or spherical shape. 5. Both cells are eukaryotic cells so they carry the nucleus. 8. both cells have a cell membrane surrounding the other organelles. 9. Cell wall present in plant cells and not in animal cells. 10. A large central vacuole is present in the plant cell that performs various roles including the storage of water and nutrition.
11. In the given diagram The illustration B is a plant cell as it has a rectangular shape with a cell wall around the cell membrane.
help me pls or im going to fail
Answer:
c.
Explanation:
Look closely, for key words. In most questions, they like to sneak hints in there but their quite hard to see! Hope it helps! :) I'm not always accurate.
Answer:
biosphere
Explanation:
A geologist and anthropologist work together to study ancient footprints left in a rock unit. The geologists notes the presence of mudcracks in the rock layer. What can she infer about the environment in which the footprints were most likely made?
A) they formed in a vigorous river environment.
B) They formed in a shallow water environment.
C) they formed in a desert environment.
D) They formed in a deep ocean environment.
B, becauuse if the water dried up and left the mud to dry, mud will crack. but water would have to evaporate
The geologists notes the presence of mud cracks in the rock layer. the environment in which the footprints were most likely made They formed in a shallow water environment. hence option B is correct.
What is rock cycle ?Rocks are defined as the naturally formed and non-living earth which are composed by collection of mineral grains held together in a firm, it can be tiny or big.
The Rock cycle is the process where a continuous process occur through which old rocks are transformed into new rock due to cool down of molten magma, when it solidifies become igneous rock.
when the break down of the igneous rocks occur the small particles are transported and deposited which will form sedimentary rocks, When the igneous and sedimentary rocks heated up and under the pressure they change into metamorphic rocks.
The metamorphic rocks are generally subjected under great heat and pressure melt down to form molten magma which again can cool down and solidify into igneous rocks
For more details regarding rock layer, visit
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please help question and choices are in image below
Answer:
A)1
Explanation:
because it is DNA Adenine pairs with Thymine
SOMEONE PLS ANSWER THIS IK THERES NO PICTURE WITH IT BUT I NEED THE ANSWER BADLY.
Do you think what you observed is evidence that genes are instructions for proteins? Why or why not?
cant you please send the image
Answer:
no
Explanation:
parents can't pass down through genes you get them for yourself
How does the Sun heat the Earth?
Explain your answer in your own words.
Explanation:
The sun heats the earth through radiation. Since there is no medium (like the gas in our atmosphere) in space, radiation is the primary way that heat travels in space. When the heat reaches the earth it warms the molecules of the atmosphere, and they warm other molecules and so on.
PLEASE HELP ILL MARK AS BRAINLIEST AND GIVE 10 POINTS!!! when force is constant higher acceleration correlates to _____ mass?
a. more
b. equal
c. less
I think B? sorry if I'm wrong.
clasificatoin of hormones
Answer and Explanation:
Hormones are substances that administer the human body having several different and essential functions for the proper functioning of the body. There are several different types of hormones and they are classified into four groups called peptides, steroids, amines and eicosanoids.
Peptides are hormones that have 3-20 amino acids. Among these hormones we can mention insulin, glucagon and somatostatin.
Steroids are hormones produced from cholesterol. Among them we can mention Cortisol, Aldosterone and Testosterone.
Amine hormones are those that are released into the thyroid and adrenal glands. These hormones circulate freely in the blood. Among them are epinephrine and norepinephrine.
Eicosanoids are the hormones derived from arachidonate. Among them are the hormones called prostaglandins, thromboxanes and leukotrienes.
What is the function of the type of muscle that is pictured below?
-support and movement of the skeleton
-movement of food through the digestive system
-contraction and relaxation of the heart
-generation and conduction of electrical signals
Answer:
answer is B
Explanation:
a model of a car has a scale 1:20. the volume of the actual car is 12^3 find the volume of the model
Answer:
86.4
Explanation:
Find the actual car volume, then divide it by 20
Which resource is renewable?
Answer:
hydropower, wind energy geothermal power and many more are examples of resources that are renewable. can I get brainest
Statement best summarizes Gregor Mendel's contribution to science?
1: Mendel formulated a hypothesis and then tested it
2: Mendel coined the word genes to describe inherited traits
3: Mendel found evidence that there are two factors for each trait
Which of the following is an example of regulated waste?
O A. A used napkin
B. A used needle
C. A used blanket
D. A used bed sheet
SUBM
Answer:
D. A used bed sheet
Explanation:
just took the test
DNA replication is said to be semiconservative. Which of the following statements correctly explains what this means?
Answer: DNA is a double stranded molecule. When DNA is copied the two strand of DNA (old strands) separate and new nucleotides match up with the two separated strands.
This process creates two identical double stranded DNA molecules are formed. Each DNA molecule contains one strand of the original DNA molecule and one newly synthesized (made) strand.
Explanation: https://youtu.be/Gxoyr8JKc4w
Hope this helps :D
The semi-conservative nature of DNA replication illustrates that each strand in the DNA double helix function as a template for the synthesis of a new or complementary strand.
What is DNA replication?DNA replication may be defined as a type of biological process that deals with the synthesis of two identical replicas of DNA from one original DNA molecule during cell division.
The semi-conservative model of DNA was proposed by Watson and Crick. This model implies that each double helix of DNA is composed of one new and one old strand.
In semi-conservative replication, the parental double helix is half conserved and each parental single strand remains intact.
Therefore, DNA replication is said to be semi-conservative due to the process of each new double strand consisting of one parental strand and one new daughter strand.
To learn more about the Semi-conservative model of DNA replication, refer to the link:
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What items are used to identify the genetic makeup of an unknown organism?
Answer:
Polymerase chain reaction machine
Primers
Petri dishes
Test tubes
Pipettes
DNA Polymerase
Free nucleotides
The organism to be identified
Explanation:
To identify the genetic makeup of an unknown organism, the nucleotide sequences fond in the Deoxyribonucleotide (DNA) of a known organism is matched to the DNA of some known organisms. If there is a certain degree of sameness in most of the matched parts, then the unknown organism can be said to be related to the known organism. This is a comparative study.
To carry out this identification, items used include; primers, the PCR machine, test tubes, DNA polymerase, free nucleotides, etc.
How does the evidence provided by the graph support the claim that Earth's climate has gradually been warming?
A. The rising sea level is a result of melting ice and the thermal expansion of water.
B. The rising sea level is a result of an increasing rate of all processes of the water cycle.
C. The change in sea level matches the change in atmospheric levels of carbon dioxide.
D. The change in sea level is the cause of increased flooding in low-lying coastal lands.
Answer:
i think its B
The rising sea level is a result of an increasing rate of all processes of the water cycle.
pls mark me brainless. uwu
Answer:
A
Explanation:
I think thats the answer
Describe the role of acetylcholinesterase in stimulation of a muscle fiber.
Answer:
"It is the enzyme that breaks down acetylcholine in the synaptic cleft, ending stimulation of the muscle fiber. -It is the type of receptor found in the motor end plate that binds acetylcholine, initiating an electrical impulse."
Explanation:
How do plantes give off co2
Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration.
Hope this helps
Explain why you should never eat mushrooms you find in the woods unless you know for certain which type of mushrooms they are.
Answer:
Because some of them are posinous/venomous and aren't edible
Two types of cultivation systems
Answer:
Today, there are two divisions of agriculture, subsistence and commercial, which roughly correspond to the less developed and more developed regions.
Explanation:
Hope this helps :)
The table lists four major groups of vertebrates, which are animals with a backbone. It also shows whether each group has four important traits.
Which pair of animals have the most similair DNA based on their shared traits?
A. A tuna and a sparrow
B. A frog and a salmon
C. A robin and a Salamander
D. A snake and a lizard.
Answer:
I believe D
Explanation:
Answer:
D
Explanation:
I just did the test
Tom walked into your office and said he'd been looking forward to talking with you. He said, "I've been feeling really good lately, really good...powerful, strong." Tom, a 54-year old man, was smiling and a bit wide-eyed as he began the conversation. "I'm feeling a real sense of purpose, like I was put here to help people," he said. Tom got further into his recent revelations, going so far as to say he felt "like Jesus Christ, in a way." Tom stood up with excitement as he continued to escalate emotionally and with his gestures. At no point was he threatening, but he was far more animated than ever before. As the conversation progressed, Tom told you that he was thinking about you and how powerful you were, too. He said you were like Thor with his hammer and that the two of you could really do good in the world. Then, giggling and gleeful, he admitted that he was thinking that he actually was Jesus Christ and that he wanted you and your powerful hammer to help him save humanity from those who were trying to control him.
What might you do or say next?
What are your diagnostic impressions of Tom?
Answer:
I dont really understand what you want me to do??
Explanation:
HELP!!!!! PLEASE
Which pair of molecules, when bonded together, would most likely be found in a molecule of DNA?
A) ribose and adenine
B) ribose and thymine
C) deoxyribose and uracil
D) deoxyribose and guanine
Answer:
D
Explanation:
The molecule of DNA contain deoxyribose as the backbones and guanine is one of the four bases that attached to each sugar.
What is the disadvantage of having an exoskeleton?
Answer:
Disadvantages of having an exoskeleton include heightened vulnerability during the molting process and restrictive in terms of sizes and weights.
Explanation:
Why are fracking liquid waste pools harmful to the environment?
When fracking liquid waste is left in pools on the surface, _________
can evaporate into the air and contribute to
pollution.
Answer:
The correct answer is - volatile organic compounds.
Explanation:
Fracking liquid waste is a type of waste that is producing during the oil drilling process by hydraulic fracturing. It produces some toxic and carcinogen substances that are needed to treat properly or these will mix with drinking water.
Other than these toxic substances the fracking liquid waste also produce volatile organic compound due to oil drilling which is very harmful to the environment as these organic compounds can evaporate and move to air and atmosphere to contribute to pollution.
Answer:
volatile organic compounds.
Explanation:
plato yw.
Passive immunity provides more rapid protection then does active immunity true or false
Answer:
true
This is the major advantage to passive immunity; protection is immediate, whereas active immunity takes time (usually several weeks) to develop.
hope this helps:))
3 rules that can identify chemical reactions
Answer:
1)colour change
2) fizzing or bubbling
3)odour change
Explanation:
you can also say temp change, formation of a precipitate or smoke being formed but those are the main 3 i know