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stiks02 [169]
3 years ago
15

Mating is rarely random. Many organisms choose a mate for specific reasons - body size, coloration, antler size, feather length,

etc. Changes in allelic frequencies due to this non-randomness of mating is called Question 3 options: Hardy-Weinberg equilibrium. natural selection. genetic drift. gene flow.
Biology
1 answer:
poizon [28]3 years ago
3 0

Answer:

Natural selection

Explanation:

Sexual selection refers to the natural selection where the allele frequencies of a population are changed due to nonrandom mating between the individuals. Certain preferences for the mate by organisms result in sexual selection. It is mostly exhibited by females.

For example, peahen prefers the peacocks with elaborate tail features as their mate. The sexual selection also occurs when there is competition among the members of the same sex for a mate. This type of sexual selection is mostly exhibited by males and results in fighting and display.

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Which hypothalamic hormone would the nurse identify as helping treat postpartum uterine atony and hemorrhage?
klio [65]

The hypothalamic hormone that the nurse would identify as helping treat postpartum uterine atony and hemorrhage is oxytocin.

<h3>What is oxytocin?</h3>

Oxytocin is a neuropeptide that is produced in the hypothalamus and is responsible for modulating the central nervous system for patterns of sexual behavior and that is secreted after distension of the uterine cervix during childbirth.

When released into the blood, it travels a path to where its receptors are to generate its functions such as the contraction of the muscle of the uterus during delivery, being responsible for the contractions. It will also generate the milk ejection reflex in the breasts, helping during lactation.

Therefore, we can confirm that the hypothalamic hormone that the nurse would identify as helping treat postpartum uterine atony and hemorrhage is oxytocin.

To learn more about oxytocin visit: brainly.com/question/1996049

#SPJ1

7 0
1 year ago
________ marks the end of a gene and causes transcription to stop. ________ marks the end of a gene and causes transcription to
Paha777 [63]

The answer is a terminator or transcription terminator. It is part of nucleic acid sequence that marks the end of a gene in DNA during transcription. This progression intercedes transcriptional termination by giving signals in the newly synthesized mRNA that activate processes which release the mRNA from the transcriptional complex. These processes comprise the direct interaction of the mRNA secondary structure with the complex and the meandering activities of recruited termination factors<span>. </span>

6 0
4 years ago
What happens to jaguars when they go through isolation because of a flood and are separated into two groups?
zloy xaker [14]
They don’t have food and die
4 0
3 years ago
Which of the following is not a primary concern when dealing with ethical issues related to modern day biotechnology? Group of a
Monica [59]

Answer: Using tissues that would have been disgarding after surgical procedure

Explanation:

7 0
3 years ago
A terrestrial animal species is discovered with the following larval characteristics: exoskeleton, system of tubes for gas excha
lesya692 [45]

The question is incomplete as it does not have the options which are:

A) eight legs.

B) two pairs of antennae.

C) a sessile lifestyle.

D) an open circulatory system.

E) parapodia.

Answer:

D) an open circulatory system.

Explanation:

In the given question, the characteristics of an organism are given which are:

1. Exoskeleton- outer covering composed of cuticle

2. system of tubes for gas exchange- do not respire but has tubes called trachea from which the air diffuses

3. modified segmentation- segmented bodies

All these characteristics show that the organism belongs to the Arthropods group of animals.

The Arthropods since having trachea for the diffusion of gas, therefore, possess an open circulatory system in which blood does not flow in the vessels but the open cavities in the body.

Thus, Option-D is the correct answer.

7 0
3 years ago
Read 2 more answers
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