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polet [3.4K]
4 years ago
8

What is a reproductive strategy?

Biology
1 answer:
Molodets [167]4 years ago
4 0

Answer:

I am pretty sure that the answer is (a) The way that a species creates offspring.

Explanation:

The term reproductive strategy is loosely used to refer to the way an animal mates and/or raises offspring.

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Which of the following is true of all invertebrates
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Answer: They all do not have bones

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The suffix in- means no, and vertebrate is a backbone so, the have no backbone.

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Which of the following can be labeled as autographs?
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B) Primary producers. Autotrophs are organisms that produce their own food through photosynthesis, which are primary producers. 
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Why would invertebrates fertilise their eggs internally?
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The advantage of inside fertilization is that the fertilized egg is protected against dehydration on land. The embryo is segregated from the woman, limiting young predation. The fertilization of internal eggs by a certain male is also improved.

Explanation:

Interior fertilization is the union in the female body of the egg and the sperm. The female has more control over internal fertilization, as opposed to its counterpart, exterior fertilization. There has to be a technique for males to introduce the sperm into their reproductive system in order for internal fertilization to occur.

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7 0
3 years ago
Select the correct statement about the three-chambered hearts of amphibians and nonbird reptiles. A scheme of blood circulation
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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
3 years ago
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