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
Fed [463]
2 years ago
9

Explain the evolution of heart in vertebrates

Biology
1 answer:
Vera_Pavlovna [14]2 years ago
4 0

Answer:

The evolution of the heart is based on the separation of oxygenated blood from deoxygenated blood for efficient oxygen transport. pisces have a dual chambered heartwhile reptiles and amphibians are having a three chambered finally aves and mammals have four chambered hearts.

Explanation:

please mark as brilliant answer

You might be interested in
What is the functions of glucose in Living Organism​
melisa1 [442]

Answer:

Its used as energy for the cell

8 0
2 years ago
Mangrove forests play an important role in _______. A. Fisheries b. Coastal protection c. Wildlife habitat d. All of the above P
iris [78.8K]

Answer: the answer is D.

Explanation:I got it right on edge

8 0
2 years ago
Read 2 more answers
What are the wavelike contractions of smooth muscle that move food down the esophagus called
stiks02 [169]

When you swallow food, it doesn't just drop down into your stomach. Muscles contract in a wave-like motion to move the food along through the esophagus. This muscle movement is called, peristalsis, or peristaltic waves. These peristaltic waves contract behind the food bolus pushing it along the digestive tract.

7 0
3 years ago
An animal is ________ if it is able to maintain its temperature through bodily processes.
Stella [2.4K]

An animal is endothermic if it is able to maintain its temperature through bodily processes.

4 0
3 years ago
What kind of bones do birds have?<br> A. hollow<br> B. narrow<br> C. thin<br> D. cartilage
Sunny_sXe [5.5K]
Hollow, that's why birds can fly. There is nothing in the bone to weigh them down.
6 0
3 years ago
Other questions:
  • An estuary is an example of a marine biome
    15·1 answer
  • 1. Explain what epigenetics is.
    6·1 answer
  • Which statement describes a step in DNA replication?
    5·2 answers
  • Humans can digest starch but not cellulose because _____. the monomer of starch is glucose, while the monomer of cellulose is ga
    9·1 answer
  • The year graphs shown below represent hours of daylight and solar energy for what location?
    14·1 answer
  • (this isn't on a test) but i was wondering how is waters melting and freezing point the same?!
    14·2 answers
  • Imagine looking through a microscope at a squashed onion root tip. The chromosomes of many of the cells are plainly visible. In
    5·1 answer
  • Which of the following is an important function of selenium
    13·1 answer
  • Colocar la opción correcta.
    9·1 answer
  • Greenhouses are designed to capture the energy of the sun.<br><br><br> True<br><br> False
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!