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
Pavlova-9 [17]
3 years ago
11

Which organism has a single loop circulatory system A) dog B) fish C)frog D)human

Biology
2 answers:
scoray [572]3 years ago
7 0
The answer is B. Fish
Effectus [21]3 years ago
6 0
The answer is fish have  a nice day
You might be interested in
During a marathon, runners draw heavily on their internal reserves of glycogen (carbohydrate) and triglycerides (fat) to fuel mu
g100num [7]

Answer:

The activity of cyclic AMP phosphodiesterase is prevented by caffeine. The caffeine prevents further dissociation of cAMP, which eventually increases the response within the body. The activity of neurotransmitters, that is, of noradrenaline or epinephrine, gets increased due to enhancement in response.  

This further enhances the activity of the heart, the rate of muscle contractions, blood pressure that further helps in delivering more oxygen to the brain, and other parts of the body. Thus, the inhibition of the enzyme cyclic AMP phosphodiesterase helps the athletes to prevent the wall.  

7 0
3 years ago
A zebra cell is just about to replicate its DNA. Which of the following will happen first?
Rom4ik [11]
C.) T<span>he DNA unravels to make two strands </span>
4 0
3 years ago
What are some synthetic stocks for a Mosin–Nagant?
VLD [36.1K]

Answer:

ATI ProMag Archangel

Explanation:

The ATI stork is very kind of terrible

8 0
3 years ago
Bones softens when kept in acid for some hours
Leokris [45]

The answer would likely be true because bones dissolve when kept in acid for hours because the bone has a component, called calcium. With the calcium, it breaks down and dissolves in acid when it is dissolved in it, making the bone to dissolve the minerals, making the bones decalcified.

8 0
3 years ago
Which of the following describes what might happen with a sudden increase in precipitation in the grassland biome?
melomori [17]
I'd say the answer is C Increase in plant and animal diversity.

Because grasslands are usually too dry for certain plants and animals to live there, but with more precipitation more organisms would live there.
7 0
3 years ago
Read 2 more answers
Other questions:
  • If the weather becomes stormy for a short time and then becomes colder, which type of front has passed
    7·2 answers
  • How is gene regulation in prokaryotes and eukaryotes similar? How is it different?? (24 Points)
    9·1 answer
  • This sky cover condition confirmed that saturated air ________ exist aloft over wichita at that time
    10·1 answer
  • Which of the following statements is a false or incorrect statement?
    7·1 answer
  • What is the backbone of sugar molecules
    10·1 answer
  • What Is The Setting Of The Bell Jar​
    5·1 answer
  • Large cells are difficult to maintain. How do cells overcome this problem?​
    8·1 answer
  • HELP PLEASE I HAVE AN F
    7·1 answer
  • Fossils of Glossopteris, an extinct fern, were discovered on which continents to support the theory of continental drift? Check
    9·1 answer
  • Imagine if a community ran out of their local land and water resources. What are things the community can do to provide its resi
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!