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Tatiana [17]
3 years ago
11

When a female bird chooses a mate because of his brightly colored feathers, this is an example of

Biology
2 answers:
vodka [1.7K]3 years ago
4 0
B. sexual selection, which alters allele frequencies in the gene pool.
vodomira [7]3 years ago
4 0
The answer i believe is C. yw
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HELP ME ASAP PLEASE.<br><br>How does water move from leaves to root? explain ​
iogann1982 [59]

Answer:

During transpiration, water will evaporate from tiny holes in the surfaces of leaves into the air (the tiny holes are called stomata). As the water molecules evaporate from plant leaves, they attract the water molecules still in the plant, helping to pull water up through the stems from the roots.

Hope this helps!    *please mark me as brainliest :)

6 0
2 years ago
Read 2 more answers
___________measure the steps in a process and tasks people or devices do, from conducting appropriate tests, to making a diagnos
VLD [36.1K]

Answer: process indicators

Explanation:

Process indicators are used to measure the steps in a process and tasks people or devices do, from conducting appropriate tests, to making a diagnosis, to carrying out a treatment.

It can be used to AID diagnosis, and OBJECTIVELY measure the response of a patient to therapy.

So, Process indicators is the right answer

8 0
3 years ago
WILL GET BRAINLIEST!!!
ICE Princess25 [194]

Answer:

<em>1. The characteristic thing about </em><em>adult frog breathing</em><em> is that </em><em>drawing in air by lowering their mouth floor</em><em> (option d).</em>

<em>2. The substance released by the </em><em>lung secretory cells </em><em>is the </em><em>surfactant </em><em>(option c).</em>

<em>3. The main divisions of the </em><em>peripheral nervous system</em><em> are the </em><em>somatic and autonomic systems</em><em>.</em>

Explanation:

<h3>1. Breathing of the adult frog</h3>

The adult frog - while out of the water - uses a nasal breath, propelling air into its throat and oral cavity. The air content in the frog's mouth causes the internal pressure of the cavity to increase, and the floor of the mouth is modified to allow the passage of air to the lungs.

Under water, the frog's breath is cutaneous, that is, through its skin.

Adult frogs do not have gills or respiratory muscles.

<h3 /><h3>2. Pulmonary surfactant </h3>

Pulmonary surfactant is a substance produced and secreted by the pulmonary epithelium, specifically by type II pneumonocytes. The function of the surfactant is to keep the pulmonary alveoli open to allow gas exchange.

The surfactant is a substance of a lipidic and proteic nature that helps reduce the surface tension of the water, which in the socket prevents closure when the air is exhaled.

Another function is to prevent the germs - viruses and bacteria - present in the air from passing from the alveolus to the bloodstream.

<h3 /><h3>3. Divisions of the peripheral nervous system</h3>

The peripheral nervous system is dependent on the central nervous system and is made up of all the nerves that go to each of the tissues and organs of the body. It is divided into somatic and autonomic nervous systems.

  1. <u>Somatic nervous system</u> is composed of nerves that drive nerve impulses to skeletal muscles, being predominantly voluntary. The involuntary response in this system is due to the existence of reflex arcs, whose center of integration is the spinal cord.
  2. <u>Autonomic nervous system</u> is responsible for the innervation of coughs the internal organs, allowing their function under the coordination of the central nervous system. It is an involuntary system and is subdivided into sympathetic and parasympathetic systems.

The integration of both systems, somatic and autonomic, allows a body to perform all its functions, including the function of relationship, alertness and maintenance of organic homeostasis.

Learn more:

Frog breath brainly.com/question/1341903

Pulmonary surfactant brainly.com/question/7303958

Central and peripheral nervous systems brainly.com/question/2156614

5 0
3 years ago
When it comes to crickets, what does fitness mean?
Effectus [21]

Answer:

Producing as many offsprings as possible so the chance of them living is higher.

Explanation:

4 0
3 years ago
Which best explains how greenhouse gasses affect earth
melisa1 [442]

Most climate scientists agree the main cause of the current global warming trend is human expansion of the "greenhouse effect"1 — warming that results when the atmosphere traps heat radiating from Earth toward space. Certain gases in the atmosphere block heat from escaping.

Based on this exert, I'd say Option C

7 0
3 years ago
Read 2 more answers
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