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
bearhunter [10]
3 years ago
5

Select the correct statement about current hypotheses for the cause of the Cambrian explosion.

Biology
1 answer:
Pachacha [2.7K]3 years ago
6 0

Answer:

A. Oxygen levels reached a critical threshold at the start of the Cambrian explosion, making the evolution of big, mobile animals possible.

Explanation:

The Cambrian explosion was an event that happened approximately 541 million years ago and it lasted for about 13 – 25 million years.

The current hypothesis for the cause of the Cambrian explosion is that oxygen levels reached a critical threshold at the start of the Cambrian explosion, making the evolution of big, mobile animals possible.

Option A. is correct.

You might be interested in
what can I use for the nucleus and cytoplasm of a 3D animal cell model? Note: This model has the contents inside a plastic resea
GarryVolchara [31]
Try using a rubber bouncy ball
3 0
3 years ago
Read 2 more answers
How is glucose transported to different cells? And how do you know?
laiz [17]

Answer:

Whether a cell uses facilitated diffusion or active transport depends on the specific needs of the cell. For example, the sugar glucose is transported by active transport from the gut into intestinal epithelial cells, but by facilitated diffusion across the membrane of red blood cells.

Explanation:

4 0
3 years ago
Read 2 more answers
How do bone cells adapt to their job ...?
dsp73

They are paired, placed in launae and have canaliculi to receive and send nutritive materials to matrix.
8 0
3 years ago
Read 2 more answers
Help help help help help
kolbaska11 [484]

secondary statement makes a seem correct

4 0
3 years ago
HELP PLS WIL LGIVE BRAINLIEST​
stira [4]

Answer:

i think answer B is correct

4 0
3 years ago
Other questions:
  • There are many factors that influence the number of different kinds of plants in a biome. Why is elevation, or height, a factor
    8·1 answer
  • The distinctive yellow of sulfur
    6·2 answers
  • Which of the following is an example of conformity?
    5·2 answers
  • The cumulative biological burden caused by daily adaptation to physical and emotional stress leads to _____.
    6·1 answer
  • Match each functional group with it's chemical symbol​
    8·1 answer
  • Compare and contrast histosols and ardisols, the soils of bogs and peat marshes versus those of deserts and arid regions respect
    14·1 answer
  • In humans, a widow's peak is caused by a dominant allele (W), and a continuous hairline is caused by a recessive allele (w). Sho
    9·1 answer
  • Yall please help quickly!! This would mean alot (: I hope you have a good day and a great year!!
    6·1 answer
  • Which of the following is true of Darwin's theory of natural selection?
    13·2 answers
  • How can increasing ocean acidity impact the mechanism of natural selection?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!