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
lord [1]
3 years ago
8

What is the definition of antigen

Biology
1 answer:
SIZIF [17.4K]3 years ago
7 0
A toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
You might be interested in
BRAINLIEST!!!!
GaryK [48]

Answer: Water Quality.

Explanation:

The figure of the unhealthy ecosystem shows the industrial runoff into the water. This run off contains nitrogen and phosphorous in excess amount.

This excess nutrients leads to the growth of the algal bloom in water which in turn reduces the amount of oxygen which is easily seen in the the water.

This growth is caused due to poor water quality, and if the industrial run off will be reduced the quality of water will improve.

6 0
3 years ago
Read 2 more answers
According to Newton's Second Law of Motion, a bigger axe would have _______ force than a smaller axe if they were going the same
True [87]

Answer:

1. more force than a smaller

7 0
3 years ago
Please help me im stuck
butalik [34]
I think it’s C but I could be wrong
4 0
3 years ago
What is another word for the food that living things need to grow ?
juin [17]

Answer:

nutrients, i guess

Explanation:

8 0
3 years ago
populations of organisms that exhibit a high degree of variation have a greater chance for survival than populations of organism
N76 [4]
True because, more variation increases the species fitness, the ability to survive and reproduce. Allowing the organism to pass on their beneficial traits (advantageous traits), to their offspring.
7 0
3 years ago
Other questions:
  • What is the cell nucleus?
    6·1 answer
  • Which property of water help it to move from the roots of a plant, up the stem, and to the leaves
    8·1 answer
  • Which of these statements best explains how adaptation provides evidence to the scientific theory of evolution?
    9·1 answer
  • 1. An advertisement claims that three out of five dentists prefer a particular type of
    9·1 answer
  • When oil spilled from the Exxon Valdez oil tanker in 1989 into Alaska's pristine waters, animals and birds felt the immediate ef
    7·1 answer
  • 31. Because trees live many years, they are:
    8·1 answer
  • Why only female mosquito is responsible for the transfer of disease?​(2 marks question)
    11·1 answer
  • Which of the following is a true statement?
    13·2 answers
  • In digestion why do some food molecules decrease by the same amount that others increase.
    11·2 answers
  • Which population is limited by a density- dependent factor?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!