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
Tom [10]
3 years ago
9

PLEASE HELP ASAP

Biology
2 answers:
Harman [31]3 years ago
6 0
The answer would be D. variation
Gemiola [76]3 years ago
6 0
D. Variation hope this helps :)
You might be interested in
Why can’t non-permeable or fully permeable membrane support life?
TEA [102]
One wouldn’t allow for passive transport. And the other would allow to much. The membrane serves as a gate. Non-permeable would be a solid wall were nothing and no one can get through or get out . Including things like water. And fully permeable would represent no gate at all and would allow to much in and out of the cell.
5 0
2 years ago
What are some shortcomings of using this model as a replica of universe expansion?
VMariaS [17]

Answer: The shortcomings of the experiment design is what the universe has no known limit to which it can grow. As for a balloon when enough air is put in, it will pop.

Explanation:

8 0
2 years ago
What is the primary difference between prokaryotic and eukaryotic cells?
irina1246 [14]
The answer would be eukaryotic cells have membrane-bound compartments called organelles, whereas prokaryotic cells do not. hope this helps!! :D
6 0
3 years ago
How are mammalian sperm cells produced and incubated at a lower temperature than boday temperature ?
Morgarella [4.7K]

Answer:by being produced in the testes outside the body

Explanation: spermatogenesis is the production of male gamates,the sperm.this process occurs in the seminiferous tubules in the testes.epithelial cells produces the primary spermatocyte which divides to give a secondary spermatocyte.

The secondary spermatocyte divides to form spermatids,which differentiates to form the spermatozoons.

Testis is housed in the scrotal sac.

Sperm production is sensitive to temperature. Too high temperature can cause formation of abnormal cells . As a result the scrotal sac is located outside the body

4 0
2 years ago
2. Describe a flood along a coastline. What might cause this?
Fed [463]
Continental plate moving on the sea floor. 
6 0
3 years ago
Read 2 more answers
Other questions:
  • A frogs skeleton is made up of
    12·1 answer
  • A depression in the ground due to a cave collapse or acidic water dissolution of limestone is called a
    15·1 answer
  • What effects did the introduction of the nutria have on ecosystems throughout the U. S.?
    15·1 answer
  • Imagine a genomic researcher who is analyzing the genome of different types of cats. She finds that a particular sequence in the
    14·1 answer
  • If a female fruit fly heterozygous for red eyes (XRXr) crossed with a white-eyed male (XrY), what percent of their offspring wou
    6·1 answer
  • Which of the perspectives of science have you been exposed to the least?
    7·1 answer
  • True or False: Competition occurs between plants that use the<br> same resources.
    11·2 answers
  • What will happen if deforestation continues to destroy the green plants on the
    9·2 answers
  • Which of the following best describes the purpose of a Carbon Tax?
    12·1 answer
  • Locate and name the two cities in Europe. Also, what geographic factor explains the difference in temperature and the difference
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!