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
Vinil7 [7]
3 years ago
7

4. A chemical or physical agent in the environment

Biology
2 answers:
Georgia [21]3 years ago
8 0

Answer:

Mutagen

Explanation:

In genetics, a mutagen is a physical or chemical agent that changes the genetic material, usually DNA, of an organism and thus increases the frequency of mutations above the natural background level. 

Alina [70]3 years ago
3 0

Answer:

Mutagen

Explanation:

You might be interested in
Half the distance between a wave's crest and trough . A. amplitude B. crest C. electromagnetic radiation D. frequency E. longitu
Strike441 [17]

Answer:

J

Explanation:

5 0
3 years ago
Read 2 more answers
Biology Assignment
Over [174]

Answer:

The purpose of fungi and algae is to decompose dead plants and animals to break them down into smaller molecules that can be used by other members of the ecosystem

Explanation:

5 0
3 years ago
Read 2 more answers
Because of global climate change, arctic landscapes and ecosystems are changing rapidly and perceptibly, as the residents of New
olasank [31]

Answer:

The correct answer is D)

Decades ago, the U.S. government mandated that they and other Alaskan natives abandon a nomadic life based on hunting and fishing for sedentism.

Explanation:

Sedentism is simply the practice of settling in one geographical location for a long time.

Many governments encourage this to ensure that agricultural systems become developed and more sustainable as was the case in Alaska.

Other governments in some part of the world are also in support albeit for a different reason such as security of lives and property.

Cheers

7 0
3 years ago
A polymer is a large molecule that forms when smaller molecules known as monomers bond covalently in a repeating pattern. There
lawyer [7]
Proteins are made up of monomer units called amino acids
6 0
3 years ago
Read 2 more answers
NEED ANSWER ASAP
Paul [167]

Answer:

the answer would be A

Explanation:

Animal cells are oval and egg shaped so we can cancel out c and d

A is the correct answer because we can see green dots within the structure. Chloroplasts contain a green pigment called chlorophyll. This green pigment makes the chloroplast and the structure green (as we can see in the picture). Photosynthesis occurs in the chloroplasts, and it is where the plant gets its glucose from

Hope this helps!

8 0
2 years ago
Other questions:
  • The _____ is a pair of seahorse-shaped structures in the brain that play a central role in memory.
    5·1 answer
  • Determine the correct sequence of events during the creation of recombinant DNA. I. Plasmid is cut open with enzymes II. Target
    15·1 answer
  • Write a word or phrase beginning with each letter of change
    8·1 answer
  • These groups of reproducing populations that are isolated from other groups
    7·2 answers
  • The principle of ________ states that the physical, chemical, and biological processes at work shaping the earth today have also
    5·1 answer
  • The density of a substance refers to how close together the molecules in that substance are packed. Compare the density of water
    15·2 answers
  • 4. Which shows the correct order from smallest to largest?
    12·2 answers
  • WILL GIVE BRAINLIEST! help plss
    12·2 answers
  • If a disease destroying barley plants in in a field swept through an ecosystem, what would happen to the barley eating bird popu
    14·2 answers
  • Normal hemoglobin
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!