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
meriva
3 years ago
7

Which is the best hypothesis for the extinction of the dinosaurs at the end of the Cretaceous period?

Biology
1 answer:
NeX [460]3 years ago
7 0

Answer:

extinction, the best-known being the non-avian dinosaurs. It also destroyed myriad other terrestrial organisms, ...

Explanation:

....

You might be interested in
What is the difference between the control group and the experimental group in a experimental study
Ierofanga [76]
A control group is going to be something that you don’t “experiment on or change. It is grown or watched under normal conditions. This way you have a medium to say how things are “supposed” to go.

The experimental group is going to be where you “experiment” and change the normal conditions to see what outcome will occur ( under different conditions then normal )
6 0
3 years ago
Cells are the building blocks for organs and large organ systems, such as the respiratory system. How does your investigation su
atroni [7]

Answer:

Explanation:

An organism is a body which is made up of many organ systems and parts. Organs constitute these organ systems. Then we will notice that these organs are made up of different types of tissues. Tissues are further analyzed under microscope to see millions of cells. By increasing the magnifying power, we can see that the cells are made up of further small molecules called atoms.  

So starting form atom leads to further steps and development steps, an organism is formed. Atoms combine to form cells and each cell in the body perform the same function as our body as a whole perform. No smaller components can perform important functions of body other than cells. That’s y cells are known to be as the fundamental unit of life.  

8 0
3 years ago
PLASE HURRY!!!!
alexira [117]

Answer:

   R    r

R  RR  Rr

r Rr     rr

Explanation:

1:2:1 is the genotypic ratio

3 0
3 years ago
Which action would cause global temperatures to decrease?
Sladkaya [172]

Answer:

Limiting human use of nitrogen that is in the atmosphere.

Explanation:

8 0
3 years ago
Why do sea turtles lay eggs in a terrestrial environment?
DanielleElmas [232]

Answer:

For the eggs to survive and have a chance of hatching, sea turtles must lay their eggs on sandy beaches. As they are developing, the embryos breathe air through a membrane in the eggs, and so they cannot survive if they are continuously covered with water.

Explanation:

4 0
3 years ago
Other questions:
  • Dylan is using a microscope to look at the cells in onion skin. Why does he need a microscope to look at the cells? A. The micro
    12·2 answers
  • Whats the Answer? to this<br><br>Thanks​
    7·2 answers
  • 7. Why do the Amoeba Sisters consider the mitochondrion a big deal?
    11·1 answer
  • The Sponge Is A _ Animal Because It Has More Than One Cell
    14·2 answers
  • ______________ is a statistical procedure that can be used to identify clusters of behaviors that are related to a trait.
    13·1 answer
  • What are the four major resources that affect population density <br><br><br> Thx for your help:)
    15·1 answer
  • 1. The leopard seals will all die from lack of food.
    5·1 answer
  • HELP!!!! WILL GIVE BRAINILEST!!!
    12·1 answer
  • Fibroblasts can be placed on thin sheets of silicone rubber. Under normal circumstances, fibroblasts exert sufficient tension on
    13·1 answer
  • A breed of finches are born with a variety of beak sizes. The birds with smaller beaks can eat smaller seeds. The finches with l
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!