1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
adell [148]
3 years ago
6

Reptiles are able to survive on land because of characteristics that include a shelled egg, scaly skin, and efficient circulator

y and respiratory systems.
a. True
b. False
Biology
2 answers:
Scorpion4ik [409]3 years ago
8 0

Answer:

a. True

Explanation:

One of the characteristics in reptile reproduction is that they are vertebrate animals and reproduce by eggs, that is, they are oviparous. Reptile eggs are quite similar to those we can find in birds and differ from those laid by amphibians and fish. This is because reptile eggs are amniotic, that is, they have a specific membrane that prevents the sequence of the egg.

The oviparous reproduction of reptiles stands out for the fact that the eggs they lay are specifically designed to survive without problems in arid conditions thanks to the amount of elements that compose it, we refer to the amniota egg. For starters, the shell is hard enough to protect the embryo, but at the same time it is permeable enough to allow the exchange of gases with the outside. The egg needs both water and nutrient reserves and normally these reserves are obtained through albumin. In addition to this, the egg has a sac that collects all the waste compounds and also has the amniotic sac with its amniotic fluid that serves as a buffer for the embryo.

 

The skin of reptiles resembles that of amphibians, as it is composed of two layers called dermis and epidermis.

Unlike amphibians, reptile skin does not have any type of glands to moisten it, which gives it a drier and harder skin that also makes it impervious to water.

The circulatory system in reptiles is VASCULAR, CLOSED, DOUBLE and INCOMPLETE, double because there are 2 blood circuits, the minor or pulmonary circulation (heart-lung-heart) and the major or systemic circulation heart-body-heart), it is vascular because the blood leaves the heart thro ugh the blood vessels, it closes because the blood never leaves the blood vessels, that is, it is not poured into large interoceanic spaces or blood lagoons, it is incomplete because the venous and arterial blood mix in the Only ventricle possess, however, in crocodiles (more evolved reptiles) by having 2 ventricles, the mixture of both blood persists, that is, there is a minimal mixture of both types of blood.

In all reptiles breathing is pulmonary. The lungs have partitions or partitions that offer a greater gas exchange surface and greater efficiency. Ophidiums, like snakes, only have the right functional lung, the left lung is atrophied. Sea turtles, in addition to lung breathing, have sewer breathing for this because their vascularized sewer takes the O2 that dissolves in the water.

N76 [4]3 years ago
5 0

Answer:

true

Explanation:

You might be interested in
What is the equation used to measure liquid pressure?​
klasskru [66]

Set up the equation.

Since gravity and liquid densities are fixed (for the most part), the height of the liquid is the largest variable in the equation. The equation reads as Pfluid = ρgh, where ρ is the density of the liquid, g is the acceleration of gravity, and h is the height of the liquid (or depth of the fluid)

5 0
3 years ago
What are the reactants of the equation for photosynthesis?
dimulka [17.4K]
The reactants of photosynthesis are water, carbon dioxide and light energy.<span>Plants use these reactants to make the food that is essential for plant growth.</span>
4 0
3 years ago
Read 2 more answers
Production of excessive amounts of acetyl coa molecules leads to the synthesis of ____.
Evgesh-ka [11]
Fatty acids

fatty acid synthesis is the formation of fatty acid from acetyl coa and NADPH with help of the enzyme known as fatty acid synthases. This reaction occurs inside the cytoplasm of the cell. The fatty acids that were formed were derived from carbohydrates via glycolytic pathway. This pathway can also give glycerol which is different form fatty acids
7 0
3 years ago
9. Which of the following accurately describes the process of translation?
Zielflug [23.3K]

The process of translation involves each codon calls for a specific nucleotide. The answer is letter A. during translation, an mRNA sequence is read using the genetic code to be translated into the 20-letter code of amino acids.

8 0
3 years ago
The personality of an individual involves his or her​
sergeinik [125]

Answer:

both

Explanation:

depends on the person's personality I guess or how they act n all

6 0
3 years ago
Other questions:
  • In a test of the effectiveness of garlic for lowering cholesterol, 48 subjects were treated with garlic in a processed tablet fo
    7·2 answers
  • Which of the following is part of the central nervous system?
    14·2 answers
  • Which structure in this plant cell represents the site of ATP production from photosynthesis?
    5·2 answers
  • Suppose you had a hypothesis you believed to be correct. What should you do to make it become a theory?
    7·1 answer
  • The density of water is greatest at which of the following temperatures?
    13·1 answer
  • What do scientists believe may have happened to leave Mars vulnerable to the solar winds?
    15·1 answer
  • PLEASE HELP ASAP
    11·1 answer
  • Which Punnett square represents a cross between two parents that are heterozygous for purple flowers?
    10·2 answers
  • A vampire finch makes a wound on a larger bird and feeds on its blood. This is an example of ___________. *
    14·1 answer
  • A scientist crossed a tall pea plant with a short pea plant. Of the offspring, 13 were tall and 12 were short, write the ratio o
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!