Answer:
B
Explanation:
___________________________________ is the process by which organisms best suited to their environments survive and reproduce.
a
Mutations
b
Characteristics
c
Artificial Selection
d
Natural Selection
Answer:
natural selection
Explanation:
which statement is true about natural selection?
Answer:
I would say B
Explanation:
Because atural selection is the mechanism for how evolution occurs over time. Basically, natural selection says that individuals within a population of a species that have favorable adaptations for their environment will live long enough to reproduce and pass down those desirable traits to their offspring.
which era was the paleozoic era
Answer:
541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.
source- Britannica
Explanation:
Explain how nitrate ions help plants to grow.
Answer:
Explanation:
Both nitrate ions and ammonium ions can be taken up by plants (some prefer one to the other). These ions provide nitrogen for the plant to make its own amino acids for protein synthesis. Except in very high nitrogen soils, the addition of extra nitrate will stimulate plant growth.
Nitrogen is an essential macronutrient that is a component of many essential molecules, such as amino acids, proteins, nucleic acids, and chlorophyll.
What are the roles of nitrate in the growth of plants?Nitrate ions are essential nutrients for plant growth and development. Nitrogen is the fourth most abundant element in plants and is crucial for the growth of leaves, stems, and roots.
Plants require nitrogen in the form of nitrate because it is the most oxidized. It is an easily available form of nitrogen for plants to take up from the soil. Nitrate is absorbed by plants through their roots and transported to the plant cells, where it is used to synthesize amino acids, proteins, and other essential molecules.
Nitrate plays a crucial role in the process of photosynthesis, which is the process by which plants convert sunlight into energy.
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which structure in the figure would most likely be used to form muscles and connective tissue
Q3 because the muscle tissue isnt that complex and it inst that connective.Explanation:
Bone and muscles are the connective tissue. Muscle tissue is made up of sheets and fibers of muscle cells woven together.
What is connective tissue?Animals have a specific tissue called muscle that contracts when activated, applying forces to various body parts. Together, these fibers and sheets are referred to as muscles, which regulate many other contractile processes as well as an organism's movements.
Depending on their purpose, animals have one of three types of muscle. Despite modest differences, these muscles have a similar structure and function. Muscle tissue has a unified function and is frequently joined by the same nerve bundles.
Therefore, Bone and muscles are the connective tissue. Muscle tissue is made up of sheets and fibers of muscle cells woven together.
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Do you think seeds need water to start growing? Explain why or why not.
Yes, because the seed without water didn't grow at all. Create your own experiments to find the ideal amount of water for each kind of plant. Explain your findings below. More of anything is never better, because if you add too much water the plant can get drowned, in the process killing it[tex].[/tex]
Carbon that is stored for millions of years is found in the form of
Answer: They can be found in Fossil Fuels
Explanation:
When animals die, they release carbon which goes into the ground and when it's stored for so long it turns into fossil fuels :)
Answer:
most is stored in rocks the rest is ocean plants soil atmosphere and fossil fuels.
Explanation:
Internal adaptations only apply to animals. Plants do not have internal adaptations.
true or false
pls help
False
Explanation:
I know and i am in 11th grade
12. Scientists went to five different islands and surveyed the wildlife to determine the stage of succession
present at each location. The data from their exploration is reported in the table below:
Island A
Island B
Island C
Island D
Island E.
Plant species
Grasses, shrubs,
mangroves,
Grasses, shrubs,
flowering plants, mangroves, trees
trees
Grasses, shrubs
Grasses, shrubs,
some flowering
plants
Lichen, some
grasses
Insects, snails,
worms, birds,
Animal species small mammals,
Insects, snails,
worms, birds,
small mammals,
a few large
mammals
Insects, snails,
worms, birds
Insects, snails,
worms, birds,
small mammals,
a few large
mammals
A few small
insects, worms
large mammals
Mostly
Geographic Primarily A mix of forests
grasslands with
Sand and grass
Bare rock
features
'forested and grasslands
some young
forests
(a) Based on the information in the table, which island is at the earliest stage of succession? Explain your
answer using details from the table.
Answer:
island A it it primarly frosted
____is the amount of matter in an object and is measured in kilograms.
A. Mass
B. Gravity
C. Newton
D. Weight
Research on animals is not relevant to people because animals are different from people.
A. True
B. False
Please help asap , I’m very confused .
Transcribe the following G G C C G T T T C A C C to mRNA
a) CCG GCA AAG TGG
b) CCG GCU AAG TGG
c) CCG GCU AAG UGG
d) CCG GCA AAG UGG
Answer:
The Answer is D, trust. I got all of them wrong and the system showed that this was the correct one.
Explanation:
The transcription of G G C C G T T T C A C C to mRNA is CCG GCA AAG UGG. Hence, option D is correct.
What do you mean by Transcription?Transcription may be defined as a biological process that involves the transformation of a DNA strand into its mRNA sequence. It occurs in the nucleus of the cell.
In mRNA, Adenine is transcribed into Urcail instead of thymine. So, the mRNA sequence will be synthesized according to that.
Therefore, the correct option for this question is D.
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can some1 help me with this
Answer:
Variation allows some individuals within a population to adapt to the changing environment. Because natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation.
Explanation:
Hope this helps
QUESTION 14
Scientists state that burning fossil fuels is a big threat to our clean air. What else could be a threat to our supply of clean air?
If fertilization occurs which layer does the egg burrow into
a.myometrium
b.perimetrium
c.endometium
According to the research, the correct option is c, If fertilization occurs the egg burrows into endometium.
What is endometium?It is the tissue that covers or upholsters the uterine cavity whose function is to receive the fertilized egg when pregnancy occurs, that is, it allows the implantation of a fertilized egg, which will later transform into a new being.
For the endometrium to carry out its function, it has to undergo a series of morphological and functional modifications linked to the secretion of hormones by the ovaries so that at the time of greatest receptivity, the endometrium has the thickness and the nutrients necessary for a correct interaction with the embryo.
Therefore, we can conclude that according to the research, the correct option is c, If fertilization occurs the egg burrows into endometium.
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How did the findings from Hershey and Chase’s bacteriophage experiments likely influence the Meselson-Stahl experiment, and how might Meselson and Stahl’s results help scientists understand how damaged DNA can be inherited by future generations?
Answer:
c, just took the test
Explanation:
HELP PAST DUE AND NO WEBISTES/ FAKE LINKS
your own words: how does the temperture affect the denisty of the water? DO NOT COPY AND PASTE FROM THE INTERNET OR YOUR REPORTED!
Answer:
When a certain amount of water is heated up, it expands, increasing in volume changing the density. This goes for when it’s heated or cooled; the density then changes.
How dose uv light affect folate
Answer:
(UV) radiation is with recent research showing that UV radiation has the capacity to degrade folate in human blood and skin.
Explanation:
GIVING 14 POINTS AWAY PLEASE HELP ME ASAP!!!!!!
Answer:
vomiting
Explanation:
i commented on your other one, please don’t spend all your points
Answer:
The answer to the question is vomiting
In an if/then statement, what is the "then” part called?
a. hypothetical proposition
c. consequent
b. antecedent
d. inference
T/F we make synthetic materials to serve different purposes that meet our wants and needs
Our environment is sometimes divided into different spheres, including the geosphere, hydrosphere, cryosphere, atmosphere, and biosphere. Interactions between the geosphere and atmosphere can have an impact on Earth’s weather. Which of the following is an example of an interaction between the geosphere and atmosphere?
1.Melting of ice from a glacier into a body of water
2.Eruption of lava, gases, and ash from a volcano
3.Evaporation of water from the ocean
4.Animals completing cell respiration and exhaling CO2
Answer:
Eruption of lava, gases, and ash from a volcano
Explanation:
anti peristalsis means what?
Answer:
reversed peristaltic action of the intestines, by which their contents are carried upward.
Explanation:
How does a rain shadow affect the weather?
lungs and capillaries both have porous linings that allow certain substances to move into or out of the structures. Which function do these porous linings most likely serve in living organisms?
A. heat release
B. gas exchange
C. carbohydrate absorption
D. osmotic pressure regulation
Answer:
B. Gas exchange
Explanation:
because the lungs bring air into your body, it needs a way to transfer the oxygen into your blood stream.
Luckily for us, our lungs have porous linings, which will help the oxygen go directly into our blood stream.
The porous structure of the blood capillaries and lung tissue allow the them to exchange gas
The porous structure of the lungs allow to exchange gas from the gas in the blood. Blood capillaries are tiny blood vessels in the body.
The gas in the blood was collected from the tissue from the body parts which is made possible because of the porous lining of the blood capillaries.
Therefore, the porous structure of the blood capillaries and lung tissue allow the them to exchange gas.
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What landform will this erupting volcano make? A) a delta B) a valley C) a canyon D) a mountain
How many bonds does oxygen have?
Answer:
2
Explanation:
duhhhhhhhhhhhhhhhhh
What is the nutrient-rich, dark soil ideal for growing plants called that is definitely not a bean dip?
Answer: negative
Explanation:
Two cell organelles are described below.
Organelle A: Present in plant cells but not present in animal cells
Organelle B: Much larger in size in plant cells than in animal cells
Which of the following is most likely correct?
Organelle A is vacuole, Organelle B is chloroplast
Organelle A is chloroplast, Organelle B is vacuole
Organelle A is nucleus, Organelle B is mitochondria
Organelle A is mitochondria, Organelle B is nucleus
[tex] \huge{ \mathfrak{ \underline{ Answer} \: \: ✓ }}[/tex]
Correct option - B
Two two organelles are :
Organelle A - Chloroplast Organelle B - vacuolesBecause, Chloroplasts are the special organelles present in only plant cells. and vacuoles are smaller in size in animal cells as compared to the plant cells.
_____________________________
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Answer:
B-)Organelle A is chloroplast, Organelle B is vacuole
Explanation: