Answer:
B) Bird populations will decline temporal mismatch with butterflies.
Explanation:
Bird populations will decreases due to mismatch with butterflies due to climate change because the birds feed on these butterflies for their survival and when they are not present they will die and decrease in population. The population of butterflies did not decreases but increases due to availability of food in the form of nectar from the flowers. If these flowers also blooms later and mismatch with the butterflies so the population of butterflies also decreases.
If several species of carnivores are removed from an ecosystem, the most likely effect on the ecosystem will be an increase in stability among populations.
i think so since carnivours could lead to effects on ecosystem such as the number or behaviour of their herbivore prey
What are the two main ways bacteria cause illness?
A. By releasing toxins that poison your cells
B. By using your cells to make copies of themselves
C. By changing the genetic material inside your cells
D. By breaking down your cells for nutrients
Answer:
A. By releasing toxins that poison your cells
B. By using your cells to make copies of themselves
Explanation:
Within the body, bacteria can divide (multiply) and kill host cells by disrupting their normal functioning. Moreover, bacteria secrete toxins that are able to destroy host cells' metabolic machinery. For instance, many bacteria synthesize exoenzymes and interferons that disrupt and destroy host cells. Bacterial toxins can be synthesized internally in order to develop sensitivity through antigenic properties.
When a meteor crosses the sky, the light given off is caused by
O Friction
Gravity
O Solar Winds
O Erosion
Answer:
the answer is EROSION, I Believe
Answer:
Friction
Explanation:
explain how incomplete dominance differs from co-dominance
Answer:
Incomplete dominance is when the phenotypes of the two parents blend together to create a new phenotype for their offspring.
An example is a white flower and a red flower producing pink flowers. Codominance is when the two parent phenotypes are expressed together in the offspring
Explanation:
good luck
Which of the following factors decrease biodiversity? (Choose all that apply)
a. habitat destruction
b. unpredictable precipitation
c. warm temperatures
d. freezing temperatures
Answer:
habitat destruction, unpredictable precipitation, and freeing temperatures.
Explanation:
i took the quiz
The destruction of the habitat, unpredictable precipitation, and freezing temperatures decreases biodiversity. Thus, options a, b, and d are correct.
What is biodiversity?Biodiversity is the variety of life that sustains on earth and lives in a particular habitat. The biodiversity can be measured based on the ecosystem, species, and genetics. It comprises the ecological and evolutionary process.
The destruction of the habitat of a species can lead to a decrease in biodiversity as it affects the ecosystem and the ecological pyramid as a whole and will affect the population of the species.
The unpredictable precipitation can affect the species and the habitat as it may lead to floods that will destroy the habitat hence resulting in the loss of species.
Similarly, the decrease in temperature will affect many species as they will not be able to cope with low temperature resulting in their death.
Therefore, the unpredictable precipitation, freezing temperature, and destruction of habitat lead to a decrease in biodiversity.
Learn more about biodiversity here:
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Can someone do this lab for me?
I don't have the materials or time. Hopefully, someone has done this before so they can give me some general results and observations. Thanks! :)
What functions does the red blood cell do for a human?
Answer: Red blood cells carry oxygen from our lungs to the rest of our bodies. Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled. The function of the red cell and its hemoglobin is to carry oxygen from the lungs or gills to all the body tissues and to carry carbon dioxide, a waste product of metabolism, to the lungs, where it is excreted.
Explanation:
The most common form of hemophilia is a defect in blood clotting factor VIII, which is caused by a mutant form of a gene on the X chromosome. Boys who inherit that mutation from their mother suffer from uncontrolled bleeding. Girls carrying one copy of this mutation have near normal blood clotting. Uncommonly, a girl is born with hemophilia even though both parents have normal phenotypes. Which of the statements might explain hemophilia in a girl born to parents with normal blood clotting phenotypes?
Answer:
Nondisjunction during sperm arrangement and formation brought about her getting no sex-chromosome from her dad and an X chromosome from her mom, she is XO.
Explanation:
Nondisjunction during sperm arrangement and formation brought about her getting no sex-chromosome from her dad and an X chromosome from her mom; she is XO.
It is on the grounds that her mother happens to be a carrier of hemophilia and she transferred that mutant allele to her daughter and due to the fact that she did not get any sex-chromosome from her dad.
However, such mutant (X) communicates and expresses itself and she is hemophilic.
This (X) is not express in her mother because she possesses a recessive trait; as such it appears in the hom8zygous state.
According to the law of conservation of energy, what can happen to the total
energy of a system?
A. The total energy must remain the same, but energy can change
forms and be transferred within the system.
B. Energy must be transferred out of a system if energy is transferred
into the system so that they total energy of the system stays the
same.
C. The total energy can decrease when energy is lost due to energy
transformation within the system.
D. The total energy can increase if energy is transferred into the
system from surroundings.
SUBMIT
Answer:
the total energy must remain the same,but energy can change forms and be transferred within the system
What pattern of inheritance is represented punnet square
Answer:
Autosomal Dominant Inheritance
Explanation:
1. Which process returns water to Earth?
photosynthesis
nitrification
fingecipitation
evaporation
Which is it?
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Answer: Evaporation
I hope this helped!
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What part do humans play in gene flow?
Answer:
Humans reproduce and pass on their genes to their offspring.
Mechanical weathering is commonly the result of all of the following except _____.
wind
plant disturbances
gravity
humans
ice
animal disturbances
running water
chemical reactions
Answer:
The diagram represents the process of enlarging a rectangle using a scale factor of 3. The width of the original rectangle must be:
9 in.
11 in.
12 in.
17 in.
Explanation:
PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.
Answer:
i think its A im sorry if it isnt but im pretty sure its A but it might be wrong
Explanation:
HOW, down to an atomic level is the energy in lighting converted from one form to another.
Give 3-5 sentences
PLEASE HURRY
Answer:
When properly stimulated, electrons in these materials move from a lower level of energy up to a higher level of energy and occupy a different orbital. Then, at some point, these higher energy electrons give up their "extra" energy in the form of a photon of light, and fall back down to their original energy level.
Explanation:
sorry but I cannot have sentences but all yours
15. Suppose a human blood cell containing a 0.9 percent solute concentration were put into a container of 30 percent solute solution. Would the blood cell get bigger or smaller? Why? In your explanation, you must tell me which area has the hypotonic solution (inside the blood cell or outside the blood cell), which area has the hypertonic solution (inside the blood cell or outside the blood cell), and which direction the water would be moving (into the cell or out of the cell).
Answer:
Smaller
Explanation:
The human blood cell has a smaller percentage of solute concentration than the solution it was placed into. This means that the cell is hypotonic in comparison to the solution, and the solution is hypertonic compared to the cell. When a cell is placed in a hypertonic solution it undergoes crenation, meaning it shrivels up. Water moves from the lower solute concentration to the higher solute concentration. The water inside the cell moves outside to the hypertonic solution. This causes the cell to become smaller.
Help please | No links!!!
List as many examples of seasonal changes of plants and animals that you can.
Answer:
spring trees bloom flowers
summer trees grow leaves
fall tree lose leaves
winter tree hibernate or something
spring squirrels come out of hibernating
summer squirrels gather food
fall squirrels still gather food and prepare to hibernate
winter squirrels hibernate
Explanation:
barometers modified to measure the height above the sea level are called
Answer:
When a barometer is supplied with a nonlinear calibration so as to indicate altitude, the instrument is called a pressure altimeter or barometric altimete
Explanation:
Altimeters
An altimeter is a device that measures altitude, the distance of a point above sea level. Altimeters are important navigation instruments for aircraft and spacecraft pilots who monitor their height above the Earth's surface.
which fish is exotic in among these common carp or mori or thaila?
Answer:
common carp
Explanation:
Given that Exotic fishes are a type of fishes that being raised in an environment that is not native to them. Usually, exotic fishes are known for surviving easily in a country that is not originally their own.
Among the available options, COMMON CARP is a type of fish that is known for its exotic nature. So far, it has been introduced to other continents and countries other than their country of origin.
They easily reproduced and multiply, thereby easily adapt and populate their new environment.
What is the Society of American Foresters?
A union
A business
A government agency
A professional organization
the law of conservation of mass means that n an isolated system matter cannot be_______
Answer:
Matter cannot be created nor destoyed
A mountain range divides a freshwater snail species into two large isolated populations. Erosion eventually lowers the range and brings the two populations together again, but when they mate, the resulting hybrids all produce sterile young. This scenario is an example of:
Answer:
allopatric speciation.
Explanation:
Reproduction can be defined as a biological process which typically involves living organisms producing an offspring.
Basically, there are two (2) methods of reproduction and these are;
I. Sexual reproduction.
II. Asexual reproduction.
In this scenario, a freshwater snail species is divided into two (2) large isolated populations by a mountain range. This range is then lowered by an erosion and as such bringing the two populations of the freshwater snail species together again.
However, when the two snail species mate, the resulting hybrids all produce sterile young snails. Thus, this scenario is an example of allopatric speciation.
Allopatric speciation is also referred to as geographical speciation and it can be defined as a process in which two (2) biological populations of the same species become isolated from each other by geographical barriers or changes such as mountain range, emigration, etc. Thus, allopatric speciation is dominant with living organisms that reproduces sexually and it causes the isolated species to evolve newly with distinctive traits.
Explain the importance of using engine powered pump for irrigation works.
Answer and Explanation:
Engine irrigation pumps are used to propel water into the irrigation channels, providing full water supply to agricultural crops. The use of the engine pump has advantages and disadvantages. Among the advantages, we can present the simplicity of operation of these pumps, being easily operated efficiently. They also save energy and are essential for irrigation with more viscous liquids, when necessary. This feature is the main reason for using this type of pump.
Among the disadvantages we can say that these pumps have a slower and less accurate work.
Which is NOT a benefit of xenophyophores in a habitat?
1 They maintain benthic biodiversity.
2 They increase populations of isopods, mollusks, and crustaceans.
3 They churn up sediments that build up on the ocean floor.
4 They convert salt and iron into energy and nutrients.
The correct answer is 4. They convert salt and iron into energy and nutrients.
Explanation
Xenophiophores are large single-celled organisms generally found deep in the deep sea. They are characterized by being very delicate organisms, which makes it difficult for scientists who intend to study them since they are easily damaged by manipulation. However, in the studies that have been carried out on these organisms, it has been found that they are irreplaceable agents in the sediment deposition process and the maintenance of the biological diversity of benthic organisms. Also, it has been shown that in the areas where these organisms are found there are three to four times more benthic crustaceans, echinoderms, and mollusks than the equivalent areas not inhabited by these organisms. On the other hand, none of these studies has proven that They convert salt and iron into energy and nutrients. Therefore, the correct answer is 4. They convert salt and iron into energy and nutrients.
Moving substances from a lower concentration to a higher concentration requires _____. passive diffusion facilitated diffusion active transport pinocytosis
Answer:
Active Transport <3
Explanation:
write a paragraph that explains what the causes of Long term climate cycles are. Give examples
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
after mitosis what percentage of the original cell's genetic information can now be found in each daughter cell?
•100%
•25%
•50%
•75%
Answer:
•100%
Explanation:
Mitosis is a type of cell division which results in two daughter cells that are genetically identical to the original or parent cell. The identical nature of the daughter cells to the parent cell means that the number/amount of genetic material is maintained in the cells i.e. a diploid (2n) cell with 10 chromosomes will undergo mitosis to produce two diploid (2n) daughter cells with 10 chromosomes each.
Based on the explanation above, at the end of mitosis, 100% of the original cell's genetic information (DNA) can now be found in each daughter cell. Note that, this is contrary in meiosis, which reduces the genetic content by half.
what do all scientific investigations begin with?
A: Forming a hypothesis
B: Conducting an experiment
C: Asking a question or observing a problem
D: Forming a conclusion
40. The state of matter with definite shape and definite volume
A. Gas
B. Liquid
C. Solid
Answer:
C. Solid
Explanation:
Gas has no definite shape or volume, and liquid has no definite shape. Hope this helps, best of luck!
Answer:
solid
Explanation:
liquid flow everywhere
gas blow in water
but solid is in fix shape
Which one ??????????????
Answer:
It allows genetic variation
Explanation: