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Rufina [12.5K]
3 years ago
5

What do scientists call a gavitationally bound system of two stars in which

Biology
1 answer:
Nimfa-mama [501]3 years ago
7 0

Answer:

Visual binaries are two stars with a wide enough separation that both can be viewed through a telescope, or even with a pair of binoculars. Five to 10 percent of visible stars are visual binaries. Spectroscopic binaries appear close even when viewed through a telescope.

Explanation:

pls mark brainliest

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Which type of natural selection occurs when an intermediate phenotype is favored?
klasskru [66]

Answer:

The type of natural selection that occur when intermediate phenotype is favored is called STABILIZING SELECTION.

Explanation:

There are 3 major types of natural selection, these are: stabilizing, directional and diversifying selection.

A stabilizing selection is said to occur when natural selection favors average phenotype by selecting against extreme variations. Stabilizing selection usually leads to decrease in genetic variation of the population concerned.

A good example of stabilizing selection is that of snakes, which have deep green color that blend completely with their environment. This set of snakes will escape from predators more than others in the population, which have color that slightly differ from deep green and which do not blend very well with the environment. Those snakes, whose colour do not blend very well with their environment will get killed more easily by the predators and with time will become extinct while those with colour that blend with the enviroment will survive and produce more offspring.

The extinction of snakes from the population will lead to decrease in genetic variation.

4 0
3 years ago
PLEASE HELP!!!!! PLEASE HELP!!!
Elena-2011 [213]

Answer:

its "A" water flowing over a tall cliff

Explanation:

4 0
4 years ago
Read 2 more answers
Which one is the right answer?
hichkok12 [17]

Answer:  A. 50%

Explanation:

Because there is only two  type they can get so divided is 50/50.

5 0
3 years ago
PLEASE HELP ME!! I WILL GIVE BRAINLIEST!!!
yan [13]

Answer:

It’s D

Explanation:

It’s the lightest

3 0
3 years ago
What is a single celled organism able to do?
photoshop1234 [79]

Answer:

The one cell of a unicellular organism must be able to perform all the functions necessary for life. These functions include metabolism, homeostasis and reproduction. Specifically, these single cells must transport materials, obtain and use energy, dispose of wastes, and continuously respond to their environment.

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