Answer:
yes all day of the year have the same amount of the light
what are the similarities and differences between respiration and photosynthesis??
In sexual reproduction, what helps to maintain genetic variation?
a. reduction division and fertilization
b.mitosis and fertilization
c. binary fission and fertilization
d. reduction division and mitosis
Answer:
The answer is a because it will give you genetic variation
The answer is A.) reduction division and fertilization
I took the test got it correct
What are 2 extinct species that share a close evolutionary relationship with whales
Raoellidae
Explanation:
im sorry i couldnt find another one</33
Construct an explanation for how hydrogen bonds between water molecules contribute to the properties important for the survival of living things. In your explanation, discuss the structure of the water molecule, and explain how this structure contributes to the unique properties of water. Finally, explain how these properties are related to the proper functioning and survival of living things.
Which is a description of the Paleozoic era?
A. The rise of life
B. The age of the dinosaurs
C. The hottest era
D. The era of humans
Answer:
The rise of life
Explanation:
A.P.E.X.
A description of the Paleozoic era is A. The rise of life.
What is the Paleozoic era?The Paleozoic Era was a geological era that spanned from about 541 to 252 million years ago. It is often referred to as the "Age of Invertebrates" because it was during this time that the first major diversification of animal life occurred, and most of the animal life was invertebrates.
This era also saw the emergence of fish, amphibians, reptiles, and the first land plants. The Paleozoic Era ended with the largest mass extinction in Earth's history, known as the Permian-Triassic extinction event, which wiped out about 96% of marine species and 70% of terrestrial species.
The Paleozoic Era is a geologic era that began about 541 million years ago and lasted until about 252 million years ago. During this era, there were several major events that shaped the Earth's history and led to the evolution of new life forms:
During the early part of the Paleozoic Era, there was a sudden burst of new life forms, including many of the major groups of animals that we know today. This is known as the Cambrian explosion.
Therefore, A) Paleozoic era, is the correct answer.
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Describe a way in which a cell gets rid of wastes?
Answer:
Cells use both diffusion and osmosis to get rid of their waste. Hopefully this helps
Which description properly describes a step involved in cellular respiration?
Glucose is created, then the energy gained is transferred to the energy molecule.
Carbon dioxide is combined with oxygen to make glucose.
Water is divided into carbon dioxide and glucose.
Oxygen is combined with the carbon atoms left from the glucose molecule.
Answer:
The asnwer is Glucose is created, then the energy gained is transferred to the energy molecule.
Explanation:
Landforms are natural features on the Earth's surface.please hurry
True
False
Answer:
True because the definition of a land form is legit a natural feature of the earth's surface.
Can someone help me with this science question? Please.
Answer:
Nitrobacter and nitrosomonas
Explanation:
Both are bacteria and form nitrates and nitrites from ammonia
The ribosomes are organelles _____.
in which the nucleolus floats
where chromatin is made
that contain genetic material
where proteins are produced
Answer:
the 4rd one
Explanation:
i ask Google and socratic
really need this, appreciate any help
answer:
if i were you i would copy the entire question into the search bar on brainly or on your regular seach engine
explanation:
it'll come up when you seach it on google or brainly
also quick tip instead of putting it as as image paste the question and the options and ask your question that way its clearer and other people can look up your question easily if they have the same one!
I have no clue how to do this I need help!
Which of the following is an accurate description of the characteristics of prokaryotic cells?
A
Contains DNA, ribosomes, and cytoplasm
B
Has a membrane-bound nucleus and ribosomes
C
Has complex cells with membrane-bound organelles
D
Contains DNA, a nucleus, and ribosomes
An accurate description of the characteristics of prokaryotic cells Contains DNA, ribosomes, and cytoplasm.
What is a prokaryotic cell simple definition?Prokaryote, also spelled procaryote, any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes.
Thus, option "A" is a correct.
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I will give you brainlest if you can answer right color blindness (due to a mutation on the x chromosome,a person can't see certain colors (positive or negative or neutral
Answer:
i would say negitive
Explanation: its a bad effect on life.
Answer:
Negative
Explanation:
The mutation that causes color blindness is negative for many reasons. First off, not being able to see color can cause you to not be able to do certain things in life. For example driving, if you can't see the correct colors to know when to stop or go, you can't safely drive. There are also some jobs where colors are important. Such as jobs that have to do with fixing colored wire. It's also bad because of how it takes away one of our senses and holds us back from seeing things and completeness. People who are colorblind can not truly experience the world like a person who can see color can.
Environmental Science A.P.E.X
Why has the growing human population led to habitat fragmentation, according to the first 2 pages of this article
How far does the sun’s corona extend into space?
A) 2,000 kilometers
B) 4,600 kilometers
C) 1.5 million kilometers
D) millions of kilometers
Answer:
D) millions of kilometers
Explanation:
The sun's corona extends million of kilometers into space from the sun outward.
The corona of the sun is one of the layers of the sun with blistering plasma extending into the space. It extends several million of kilometers away into the solar system. This layer has a whooping temperature of about 2-5million degree Celsius.
It is the light and energy conveyed through the corona that furnishes all the planets with radiant energy.
The average adult needs about seven to eight hours of sleep per 24-hour day.
Please select the best answer from the choices provided
Т
F
Answer:
I think this is true
Explanation:
???
Answer:
True
Explanation:
It's essential for most people so they are able to perform their best during the day and get work done to the best of their ability.
what is the basic type of cell found in the simplest animals?
Answer:
Haploid
Explanation:
hope this helped
An ecological effort by a nonprofit organization has targeted abandoned farms as a way to help local farmers earn more money. One particular region in the foothills, which had been over-farmed, now has plants and a few young trees growing there. Which of the following strategies should the organization implement as sustainable practice(s) to promote soil quality?
I. Utilize pesticides generously to ensure that vegetation isn't lost
II. Encourage planting of crops in rows perpendicular to the hill slope
III. Plow deeply to access the richer soil under the depleted topsoil
II only
III only
I and II only
II and III only
Answer:
lll only is wrong even though this is not the correct answer hope it helps
Explanation:
Compare the particle model of light to the wave model of light
The wave model treats light as an electromagnetic wave. The particle model treat lights as if it were made of protons. The model could not explain the photoelectric effect, the color of hot objects, and the emission spectra.
What is the flow of the energy in the food chain?The flow of energy takes pace from producers → primary consumers→secondary consumers→ tertiary consumers. Primary consumers are the organisms that depends on producers for their energy needs. They are usually herbivores.
These organism lies at the second tropic level as the first level consists of producers. Some examples of primary consumers are rabbit, grasshopper, rats, et cetera.
Therefore, The wave model treats light as an electromagnetic wave. The particle model treat lights as if it were made of protons. The model could not explain the photoelectric effect, the color of hot objects, and the emission spectra.
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How the oxygen levels have an effect on rivers and streams?
Answer:
All terrestrial and aquatic animals need oxygen to survive. Many aquatic macroinvertebrate species depend on oxygen-rich water. Without sufficient oxygen they may disappear. Even a small change in dissolved oxygen concentration can affect the composition of aquatic communities. Many fish require a certain dissolved oxygen range in order to survive
Aquatic life- animals living in water use up dissolved oxygen. Bacteria take up oxygen as they decompose materials. Dissolved oxygen levels drop in a water body that contains a lot of dead, decomposing material.
Elevation- the amount of oxygen in elevation increases. Since streams get much of their oxygen from the atmosphere, streams at higher elevations will generally have less oxygen.
Salinity (saltiness)- Salty water holds less oxygen than fresh water.
Temperature- cold water holds more dissolved oxygen than warm water.
Turbulence- more turbulence creates more opportunities for oxygen to enter streams.
Vegetation- riparian vegetation directly affects dissolved oxygen by releasing oxygen into the water during photosynthesis. It indirectly affects dissolved oxygen concentrations because vegetation shading a stream may decrease water temperatures, and as temperature decreases dissolved, oxygen increases.
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If a limiting nutrient is supplied to the producer in the diagram above, what effect could it have on the birds?
Answer: The producers are the bluegrass. Adding a limiting nutrient to the grass would increase the amount of primary productivity. The result would be an increased amount of biomass at the producer level, and increasing biomass and available energy at each successive level. The number of birds could increase, because there would be more for them to eat.
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For each turn of the Krebs cycle, how many ATP, NADH, and FADH2 are produced, respectively?
A. 2, 4, 2
B. 3, 2, 3
C. 2, 6, 2
D. 1, 3, 1
Answer:
it is a
Explanation:
i know
The process of diffusion occurs when
Answer:
When molecules move from areas of greater concentration to areas of lesser
concentration.
The Nature Conservancy is an organization that protects a variety of habitats around the world. A project this organization would probably support is one that
Answer:
This question is incomplete but the completed question is below
The Nature Conservancy is an organization that protects a variety of habitats around the world. A project this organization would probably support is one that
(1) uses endangered animals for medical research
(2) protects the biodiversity of areas for future generations
(3) alters habitats for industry and housing
(4) prevents animal species from migrating to other habitats
The correct answer is (2)
Explanation:
Protecting habitats (which is the main "support" of this organization) will have to do with ensuring organisms live and are comfortable in the natural habitat they are found without or protected from "transgression" by humans and other possible biotic and even abiotic factors. Since, different organisms will normally live together in a community in order to "satisfy" the food chain and survive, this organization will most likely support projects involving the protection of biodiversity in different areas of communities of organisms for these organisms' future generations.
Which factor has the least effect on the strength of an electromagnet?
A. The length of the connecting wires
B. The number of coils of wire.
C. The material of the core.
D. The strength of the battery
Answer:
The answer is A. The length of connecting wires.
Explanation:
I took the quiz.
The length of the connecting wire has the least effect on the strength of an electromagnet.
What factors influence the strength of an electromagnet?An electromagnet is a type of magnet where an electric current creates the magnetic field. The wire that makes up an electromagnet is typically twisted into a coil.A magnetic field is produced by a current flowing through the wire and is concentrated in the hole, designating the centre of the coil.The type of core material, the strength of the current flowing through the core, the number of wire turns on the core, and the size and form of the core are all factors that determine an electromagnet's strength.Stronger magnetic fields can be created by using alloys like alnico, which is an alloy of aluminium, nickel, and cobalt.The strength of the electromagnet's magnetic field increases when:
(a) the current increases
(b) the number of turns increases
(c) the wire is wound so that the length of the electromagnet is reduced
(d) Soft iron core inserted into magnetic coil
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Where would a park ranger most likely tell hikers and campers not to build a campfire?(1 point)
in areas with cold temperatures and frozen ground
in areas with high winds and drought
in areas where there are clouds and rain is falling
in areas where there is lots of sand and little vegetation
Scientists can help determine areas likely to have wildfires by using satellites to figure out much humidity is in the air. What does humidity measure?(1 point)
the types of clouds found in the air
the amount of water vapor in the air
the temperature of the air
the speed of wind caused by the air
A group of campers want to ensure they have a safe campfire, reducing the chances for it to spread into a wildfire.
What should they do to minimize the risk of the campfire causing a wildfire?
(1 point)
keep buckets of sand nearby in case the fire spreads
remove any dried leaves or sticks from areas around the fire
have campers wake up to check the fire every five hours at night
have several small campfires in the same area
One way to limit the spread of wildfires is to create a defensible space. What is a defensible space?(1 point)
a fire set on purpose to clear land and remove dead vegetation
creating a path in the woods that leads out of a wildfire
clearing vegetation and other materials that could catch fire away from buildings
an area with stored water to fight wildfires
Wild fire refers to a fire that can spread speedily if not controlled.
What is temperature?Temperature refers to the degree o hotness or coldness of a body. We shall now answer the questions individually.
1) A park ranger would most likely tell hikers and campers not to build a campfire in areas with high winds and drought because of the possibility of a wild fire.
2) The humidity measures the amount of water vapor in the air.
3) In order to minimize the possibility of the spread of fire, they must remove any dried leaves or sticks from areas around the fire.
4) A defensible space is creating a path in the woods that leads out of a wildfire.
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PROJECT: RESEARCH AND LEARN: PLANT REPRODUCTION Project Overview For this assignment, you will need to select two specific plants. One must reproduce sexually and the other asexually. Instructions You will describe the plant and the specifics of how they reproduce. Your description must include a step-by-step explanation. Your paper should be approximately 250 words in length.
Answer:
Step 1: Pollination
In general, male gametes are contained in pollen, which is carried by wind, water, or wildlife (both insects and animals) to reach female gametes. The pollen is deposited on a plant's stigma, which is part of the pistil (the elongated part of a flower extending from the ovary). This process is called pollination.
Step 2: Germination
Within a few minutes, pollen tubes begin growing, or germinating, toward the egg cell. These tubes will provide a path for the sperm carried in the pollen to reach the egg.
Step 3: Penetration of the Ovule
The pollen tubes penetrate the ovule, which contains the female gametes.
Step 4: Fertilization
Sperm travel down the pollen tubes and fertilize an egg. Most angiosperms undergo double fertilization, where both an egg and the polar nuclei in the embryonic sac are fertilized.
Explanation:
^^^^^^^^
What are some benefits of genetically engi-
neered crops?
Answer:
More nutritious food.
Tastier food.
Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
Less use of pesticides.
Increased supply of food with reduced cost and longer shelf life.
Faster growing plants and animals.
Explanation:
Please give me brainliest
Answer: Some benefits of genetically engineered crops include:
-More nutritious food
-Tastier food
-Disease- and drought-resistant plants that require fewer environmental resources (such as water and fertilizer)
-Less use of pesticides
-Increased supply of food with reduced cost and longer shelf life
-Faster growing plants and animals
-Food with more desirable traits, such as potatoes that produce less of a cancer-causing substance when fried
-Medicinal foods that could be used as vaccines or other medicines
What molecules are involved directly with protein synthesis?
Answer: Within the ribosome, the rRNA molecules direct the catalytic steps of protein synthesis — the stitching together of amino acids to make a protein molecule. In fact, rRNA is sometimes called a ribozyme or catalytic RNA to reflect this function.
Explanation: hope this helps, if not then im very sorry.