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givi [52]
3 years ago
14

Two questions! please answer ASAP! please give detailed answers.

Biology
1 answer:
Masja [62]3 years ago
6 0

Answer:

1 heat and no resources for new organisms  2 frogs may bred to be a different color there are disadvantages and advantages to natural selection the bird eats the lighter color frog and the darker frog lives

make sense?

Explanation:

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Acting as levers for movement is a function of ______.
sashaice [31]

Acting as levers for movement is a function of: bones.

Movement can be defined as a process through which several skeletal muscles in the body systems act together as a group, in order to cause a change in the motion of a body part.

Basically, bodily movement are produced when skeletal muscles exerts a force on the tendons, which in turn pull on the bones (levers) and other supporting structures such as the skin.

In the body of living organisms, bones act as levers for movement by enhancing limb speed or power of limb movements while joints act as a fixed point of movement (fulcrum).

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Prokaryotes contain all all of the following except ___.
Anton [14]

The answer is B. a nucleus.

Prokaryotic cells do not have a nucleus. They have ribosomes, a cell membrane, a cell wall, and DNA, but lack a nucleus. Prokaryotes also don't have mitochondria or chloroplasts and generally lack organelles.

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3 years ago
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What kind of organism dose not require oxygen or sunlight to live?
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One of the best examples would be Archaea
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What is the final result of mitosis in a human?
Scorpion4ik [409]
A. genetically identical 2n somatic cells
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Allen pours water into a graduated cylinder. He notices that the surface of the water is curved, as shown below.
Slav-nsk [51]

Answer:

When water is added to a graduated cylinder, having a surface where the sides of the water look higher than the center means that the curved surface is a concave meniscus which has formed because of surface tension (Choice C).

Explanation:

A meniscus is simply the curvature that the surface of a liquid acquires when it is in a container, such as a graduated cylinder. It is concave when there is attraction between molecules -water and glass- or it can be convex when both surfaces are repelled.

<u>Water is a polar molecule</u>, with the capacity to adhere to the surfaces it comes into contact with. This characteristic causes it to form a concave meniscus, as the outermost molecules adhere to the glass surface, while the surface tension of the water attracts the molecules from the centre downwards, causing the concavity.

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