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
hram777 [196]
3 years ago
7

Which event marks the beginning of the cambrian era?

Biology
1 answer:
Scilla [17]3 years ago
5 0

Answer:

D) largest mass extinction event in Earth's history

Explanation:

The cambrian era started following the pre-cambrian extinction

You might be interested in
What in the human body most resembles a mitochondria organelle and why?
Likurg_2 [28]

Explanation:

Mitochondria are cell organelles that are found in all human body cells except mature red blood cells. These organelles with a double membrane are the location in which cellular respiration occurs.

Mark ‼️ it brainliest if it helps you ❤️

5 0
3 years ago
The two very cold terrestrial biomes are the ________ and the taiga. arctic tundra
Goryan [66]

Answer:

arcic tundra

Explanation:

Tundra has two types: arctic and alpine. The coldest one is the arctic one as it is located in the northern hemisphere. Its conditions are very cruel, very cold.

The temperatures of an arctic tundra can go from 10 to 20 degrees of Farenheight in the summer. In the winter, the temperatures can go to -50 degrees. Thundra biome is one of the coldest and the biggest on Earth. It is located in the Arctic circle, mostly.

3 0
3 years ago
Read 2 more answers
14. Rats are constantly gnawing on different substances in order to keep
SpyIntel [72]

Answer:

B. False

Explanation:

Rats (and all other rodents) need to gnaw because their teeth never stop growing. They need to be worn down, otherwise they will grow so that they A. grow into the brain, or B. Prevent the animal from eating = starvation

4 0
2 years ago
What is an enzyme i will mark brainiest​
Zielflug [23.3K]

Answer:

a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.

5 0
3 years ago
Read 2 more answers
Comparing the physical structure of a fish found in the Arctic Ocean to a similar fish found in the southern Pacific Ocean is on
valkas [14]
The third choice, the second choice, the first choice, the first choice, and genus.  Please mark Brainliest!!!
5 0
3 years ago
Other questions:
  • Someone please help with this question... I will mark brainlest!!
    14·1 answer
  • Brainliest please
    7·1 answer
  • What was the independent variable in Francesco Redi's experimental setup?
    9·2 answers
  • Determine if each factor is biotic or abiotic.
    12·2 answers
  • A tight rope walker who does not want to change his position will want the forces acting on him to be Blank Space __________. Qu
    14·2 answers
  • In a fruit fly experiment, grey body, normal winged (homozygous dominant) fruit flies were mated with black body, short winged (
    11·1 answer
  • What is allantois? What's it's function?
    7·1 answer
  • Explain how mutations can alter a DNA strand and ultimately a protein structure. Make sure to include point mutation, frameshift
    8·1 answer
  • DNA tells your blood cells to build a protein called__
    12·1 answer
  • People with diseases that result in the malabsorption of which nutrient are at risk for a vitamin d deficiency?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!