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
Nimfa-mama [501]
2 years ago
7

Which three of these classes of animals practice internal fertilization?

Biology
1 answer:
Reika [66]2 years ago
4 0

Answer:

Mammals

Explanation:

This is because the sperm meets the egg and fertilizes it in a female mammals which occurs in the ovary

You might be interested in
Discuss and explain the correlation between the blood pH and kidney function​
german

Answer:

The kidneys regulate the pH of the blood by excreting acids in urine. They also produce and regulate bicarbonate, which increases blood pH. These changes take longer than those that occur due to breathing, potentially taking hours or days.

6 0
2 years ago
Some people have low levels of calcium circulating in the blood, a condition known as hypocalcemia. While for many this disorder
Andrew [12]

Answer:

Hypocalcemia is defined as low level of calcium in the serum.

It could be harmful to an individual in the following ways:

Convulsions, arrhythmias, tetany, and numbness in the hands and feet and around the mouth occur due to lowered threshold for depolarization causing increased responsiveness.

Life-threatening complications- Laryngospasm and Cardiac arrhythmias can arise.

Effects on cardiac output include:

(A) Negative chronotropic effect, or a decrease in heart rate.

(B) Negative inotropic effect, or a decrease in contractility

7 0
3 years ago
How can blood grouping be used in paternity testing
Temka [501]

Answer:

blood grouping can exclude a man from being a child's father.

Explanation:

blood grouping can provide unmistakable evidence that a male is not the father of a child. Since red cell antigens are transmitted as dominant characteristics, a infant can not have a blood group antigen that is not present in either or both parents.

hope this helped!

8 0
3 years ago
You are a living organism. Which characteristics of life do you exhibit
weeeeeb [17]

The seven characteristics of life include: responsiveness to the environment; growth and change; ability to reproduce; have a metabolism and breathe; maintain homeostasis; being made of cells; passing traits onto offspring. Hope this helps!

3 0
3 years ago
How do fronts affect the formation of tornadoes?
Viefleur [7K]

Answer:

the answer is B

Explanation:

5 0
2 years ago
Other questions:
  • Which of the following is a biotic factors in an ecosystem? O sunlight O nutrients in soil and water O precipitation O microorga
    7·2 answers
  • Discuss the role of meiosis in gametogenesis.
    14·1 answer
  • Stomata _____. exchange oxygen and carbon dioxide with the atmosphere make the chlorophyll needed for photosynthesis store extra
    10·2 answers
  • The following would be a cognitive symptom of schizophrenia.
    7·2 answers
  • All instructions for formatting characteristics (proteins)are carried on ...
    5·1 answer
  • Why are fracking liquid waste pools harmful to the environment?
    13·1 answer
  • Predict: Fill in the blanks with the word or phrase you think correctly completes the following sentences.
    11·2 answers
  • When comparing plant cells to animal cells, which organelle is only present in plant cells?(1 point)
    6·1 answer
  • Reading Focus Question:<br> Which parts of the biodome<br> contain carbon?
    11·1 answer
  • ___________ plants important adaptation of the seed allowed plants to _____________.
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!