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Eduardwww [97]
2 years ago
9

Kill most of the hawks using the button and then click play observe the graph for about 12 months and then click phase what happ

en
Biology
1 answer:
Sonbull [250]2 years ago
6 0
Nxxnnsnsdnndndndxbxnxndndndndn
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Select the correct statement about the three-chambered hearts of amphibians and nonbird reptiles. A scheme of blood circulation
Soloha48 [4]

Answer:

The three-chambered hearts of amphibians and nonbird reptiles are facultative, allowing variation in blood flow through the heart.

Explanation:

In Anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Generally, the cardiac cycle occurs in two (2) stages;

I. Diastole : in this stage, the ventricles is relaxed and would be filled with blood.

II. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.

All amphibians and reptiles except for crocodiles (having four-chambered heart) have three-chambered hearts, which typically comprises of a partially divided ventricle and two atria.

Hence, the correct statement about the three-chambered hearts of amphibians and nonbird reptiles is that, the three-chambered hearts of amphibians and nonbird reptiles are facultative, allowing variation in blood flow through the heart due to the partially divided ventricle.

7 0
2 years ago
The calf muscle that bulges when a woman wears high heels is called the
Katyanochek1 [597]
 The correct answer is the gastrocnemius muscle.
<span>The gastrocnemius muscle is a muscle located in the back part of the lower leg of humans. The gastrocnemius together with the soleus muscle forms half of the calf muscle with the function is plantar flexing the foot at the ankle joint and flexing the leg at the knee joint.</span>
4 0
3 years ago
Please help!!! I have a test tomorrow!!! ik the answer , I just want to check it :)
Wewaii [24]
The OH on the lower right of lysine and the H on the lower left of valine combine to form a molecule of water (H2O) and detach in a process known as a dehydration reaction when the two amino acids bond. The C on the right side of lysine then single bonds with the N on the left side of valine. This bond is termed a peptide bond. All the other bonds remain unchanged.

6 0
3 years ago
Based on your prior knowledge, make a claim about the factors that cause inherited genetic variations within populations. Also m
solniwko [45]

Answer AND Explanation:

<u>FACTORS THAT CAUSE GENETIC VARIATIONS</u>

  1. Crossing over. At the chiasmata during prophase I of meiosis, breakage may occur and exchange of genetic information may take place. New gene combinations which result in variations.
  2. Independent assortment. The arrangement of homologous chromosomes at the equator of the spindle during metaphase of the first meiotic division is random. These homologous chromosomes segregate into different daughter cells which contain different genetic combinations which brings about variation
  3. Fertilisation permits parental genes to be brought together in different combinations. This is the cause of variations in members of the same family.
  4. Mutation is the spontaneous change in the genetic makeup of an organism. These changes may be inherited by the offspring therefore beginning variation.

3 0
3 years ago
If you put in 12 molecules of water in photosynthesis and in the end you only get 6 molecules of water, do you lose water in pla
DochEvi [55]

the water evaporated

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3 years ago
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