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
Elza [17]
3 years ago
5

What percentage of earths history has included present day humans?

Biology
1 answer:
HACTEHA [7]3 years ago
8 0
The timeline of human evolution outlines the major events in the evolutionary lineage of the modern human species, Homo sapiens, throughout the history of life, beginning some 4 billion years ago down to recent evolution within H. sapiens during and since the Last Glacial Period.
You might be interested in
A scientific study by a pesticide company claims that a new pesticide for spraying tomatoes is both highly effective and safe. T
kipiarov [429]

Answer:

B) Additional studies will be the reliability check for the claims.

8 0
2 years ago
Anyone know the answer to this?
Nuetrik [128]
I think it’s A, I might be wrong tho..
5 0
3 years ago
What is the most important part of the DNA molecule?
Rainbow [258]

The main parts of a nucleotide are the nitrogenous base and sugar-phosphate backbone. A viable nucleotide can't form without them. Thus, they both have equal importance.

5 0
3 years ago
How are food chains, food webs, and energy pyramids alike?
Gre4nikov [31]

Because they all have something to do with animals ad what they eat.

3 0
3 years ago
What does pyruvate with O2 go to?
Yuki888 [10]

Answer:

In the presence of oxygen, pyruvate is transformed into an acetyl group attached to a carrier molecule of coenzyme A. The resulting acetyl CoA can enter several pathways, but most often, the acetyl group is delivered to the citric acid cycle for further catabolism.

4 0
3 years ago
Other questions:
  • what would be the most likely effect if the side chain of an amino acid group was unstable to vary its structure
    9·1 answer
  • Sirius B was an important star in ancient Egypt and was used to warn for floods on the Nile River. Is Sirius B brighter or dimme
    15·1 answer
  • Help me
    15·1 answer
  • In a prokaryotic cells most ribosomes are
    14·2 answers
  • how might a carrying capacity of a coastal ecosystem change as the result of a tsunami? Explain using one or more examples
    12·1 answer
  • What factor influences Beach erosion during a hurricane, the most? Storm surge?
    10·1 answer
  • Proteins are needed for?<br><br> -biology ( food and digestion )
    10·2 answers
  • Can someone help me with this please thank you.
    6·1 answer
  • Match the following.
    15·1 answer
  • Question 1 of 10
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!