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
viktelen [127]
3 years ago
13

______ years ago, nearly 75-80% of all species of life on Earth were wiped out in an incredibly short period of time.

Biology
2 answers:
Korvikt [17]3 years ago
7 0

Answer:

Sixty-five million years ago

Explanation:

The Cretaceous Mass Extinction occurred nearly sixty-five million years ago. It is supposed to be caused by asteroids. The Cretaceous mass extinction resulted in the extinction of many marine organisms as well as all the dinosaurs that flourished during the Jurassic period. In addition to these animal species, the existing plant species, as well as amniotes, also disappeared in a relatively short period of time.

ra1l [238]3 years ago
3 0
Millions i think

::::::::::::::::::::::::::
You might be interested in
These four finch species lived together on an island. Each species ate something different: large seeds, small seeds, insects, a
Maurinko [17]
The answer is A) That the seed eating species would disappear, because the seeds would disappear followed by the finches that ate those seeds and the other finches that eat other food like insects would thrive.
4 0
3 years ago
Read 2 more answers
What determines the role a tissue plays?​
Kisachek [45]

Answer:

Humans—and other complex multicellular organisms—have systems of organs that work together, carrying out processes that keep us alive. ... Cells make up tissues, tissues make up organs, and organs make up organ systems. The function of an organ system depends on the integrated activity of its organs.

8 0
3 years ago
What are the expected clumping results when each type of blood is mixed with each antibody? The antibodies are Anti-A, Anti-B, a
Veseljchak [2.6K]

Answer:

Agglutination or clumping occurs when blood that contains the particular antigen is mixed with the particular antibody.

Explanation:

Clumping of blood types takes place thus;

A+ - Agglutination with Anti-A and Anti-Rh. No agglutination with Anti-B.

A- - Agglutination with Anti-A. No agglutination with Anti-B and Anti-Rh.

B+ - Agglutination with Anti-B and Anti-Rh. No agglutination with Anti-A.

B- - Agglutination with Anti-B. No agglutination with Anti-B and Anti-Rh.

AB+ - Agglutination with Anti-A, Anti-B and Anti-Rh.

AB- - Agglutination with Anti-A and Anti-B. No agglutination with Anti-Rh.

O+ - Agglutination with Anti-Rh. No agglutination with Anti-A and Anti-B.

O- - No agglutination with Anti-A, Anti-B and Anti-Rh.

7 0
3 years ago
Please look at the picture and answer ASAP
zloy xaker [14]
Not sure but hope you find it!!!
5 0
3 years ago
Read 2 more answers
Which of the following statements about technology and its impact on humans is more accurate? A. Technology can always provide t
11Alexandr11 [23.1K]

Answer:

Its C

Explanation:

i got it from study island

7 0
3 years ago
Other questions:
  • What is the conclusion after investigating whether roots exert a pushing force strong enough to cause water to move up the stems
    9·1 answer
  • What kind of community does the photograph show
    14·2 answers
  • ¡Necesito ayuda con esto por favoor!
    13·1 answer
  • A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
    13·2 answers
  • BRAINLIESTTT ASAP!!!
    5·2 answers
  • Louis Pasteur performed a series of experiments that disproved spontaneous generation. What aspect of his design represented the
    14·1 answer
  • Why is protozoan considered animal like
    13·1 answer
  • The image illustrates a human-induced environmental change.
    14·1 answer
  • The picture above shows the early embryos of a human and a chicken. Gill slits and tails are shown in both. What does
    5·1 answer
  • What does parent material refer to?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!