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Travka [436]
3 years ago
12

Why are metaphase chromosomes always used in the preparation of karyotypes

Biology
1 answer:
S_A_V [24]3 years ago
7 0

Answer:D. This is the only cell cycle phase when the chromosomes are unduplicated

Explanation:

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Many important fossil discoveries have occurred in the Great Rift Valley of Africa. Describe the process that enabled these foss
uranmaximum [27]
Mining and Erosion are  basically the two main techniques <span>that are used for these fossils to become exposed.

Mining is  the extraction of minerals .
whereas 
Erosion is reaction of the surface processes 
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7 0
3 years ago
The prostate gland is described in all of the following ways​ except:
andrey2020 [161]

Answer:

The correct answer will be option- D.

Explanation:

The prostate gland is a walnut-shaped gland present between the bladder and penis.

The prostate gland is a part of the reproductive system and not the urinary system as it helps in the nourishment and protection of the sperm cells. It secretes a fluid which contains enzymes like phosphatases, lytic enzymes and antibiotics which helps in the protection and passage of sperm to the egg cell.

Thus, option- D is the correct answer.

8 0
3 years ago
A species with narrow niches that can survive in a small range of environmental conditions are
Ugo [173]

Answer:

D. Specialist Species

<h2>What is the advantage for species to be specialists, and how can they survive in the presence of opportunistic/generalist species?</h2>

In the setting of specialized habitats or unique situations, specialized species exist. When those conditions and surroundings change, they must adapt or go extinct, thus they must survive while they still exist.

When compared to generalists, they have the benefit of efficiency, which increases the likelihood of survival and, hence, reproduction within certain settings or situations. The generalists, on the other hand, have the benefit of being able to survive in a larger variety of circumstances and have a higher probability of doing so.

Cactuses, which are plants adapted to dry environments, are an example of specialization. More generalist plant species would typically outcompete cacti in most habitats on Earth, but very few of such species could endure the harsh conditions of a desert.

Extreme environmental conditions, competition for limited resources, and "evolutionary arms races" are some of the pressures that cause specialization. Cheetahs sprint quickly both because their prey moves quickly and because quicker cheetahs will be more effective hunters and more likely to procreate. The advantage of specialization is clear when seen from the standpoint of catching the next meal on a daily basis.

My key argument is that specialization's benefits must always be viewed in the context of the environment that generated the selective pressure that resulted in specialization. Although experts are specialists because they must be, their specializations put them in danger.

4 0
1 year ago
Help me plss, I will brainliest
Sophie [7]

Answer:

intrusive igneous rocks cool from magma slowly because they are BURIED beneath the surface extrusive igneous rocks cool from lava rapidly because they form at the surface and the meaning of those words are simple intrusive means inside of something like interior and extrusive means outside which is like exterior

7 0
3 years ago
What is the largest bone in mammal body
inessss [21]
Okay so if u go to google.
Answer: femur
6 0
3 years ago
Read 2 more answers
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