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Flura [38]
3 years ago
14

A ______ is a circular band of muscles designed to prevent movement into or out of a body cavity or organ. Multiple choice quest

ion.
Biology
1 answer:
grandymaker [24]3 years ago
8 0

Answer:

sphincter

Explanation:

circular muscle that normally maintains constriction of a natural body passage or orifice and which relaxes as required by normal physiological functioning.

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There are 40 individuals in population 1, all with genotype A1A1, and there are 25 individuals in population 2, all with genotyp
aliina [53]

Answer:

Genetic drift

Explanation:

Genetic drift can also be referred to as allelic drift, it refers to the variation in allelic frequencies within a particular population over a period of time. It can also be referred to as the random fluctuations in the number of genotypes within a population. Genetic drift is not influenced by the environment and is usually more pronounced in a small population of organisms.

For example, a population of birds can consist of green feathers and blue feathers with the green feathers as the dominant allele, but as a result of random fluctuations, the offspring may all be with green feathers and hence could eliminate or reduce the allele responsible for blue feathers over time.

5 0
3 years ago
Why is it important to warm up your muscles before a work out
Artist 52 [7]
So you don’t tear any tissue and so they get more elastic.
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3 years ago
Which situation below would have the strongest gravitational force between them?
Ad libitum [116K]
10kg mass and a 10kg mass at 10km apart
4 0
3 years ago
What are pseudopodia?
makvit [3.9K]
A Pseudopodia is a temporary protrusion of the surface of an amoeboid cell for movement and feeding.
5 0
3 years ago
Which liver function study is used to show the size of the liver and hepatic blood flow and obstruction?
joja [24]

Answer:Radioisotope Liver Scanner.

Explanation:

Radioisotope liver scan is a type of nuclear medication in which the radioactive tracer is formed by adding radioactive atoms to the molecules absorbed by the normal liver tissues.

It is used in diagnosing liver diseases.

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