A. Water being pumped in and out of guard cells.
Answer:
Explanation:
B-cells engulf an antigen by endocytosis.
<u>Endocytosis:</u>
The process by which cell takes up external materials by fusing them with plasma membrane is called endocytosis.
After engulfing the antigen, B-cells become sensitive to the pathogen.
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Hope this helped!
<h3>~AH1807</h3>
Answer: This is all I could think of, but I hope this helps a litttle
Explanation:
Shampoo
rubber
medicine
tea
clothes
paper
Answer:
B
Explanation:
competing for resources better helps the organism survive
Answer:
B. nitrogen-fixing
Explanation:
Nitrogen fixing bacteria are able to change pure nitrogen into ammonia compounds.
Nitrogen fixing bacteria are found in the soil close to the root of leguminous plants. They are get their own nutrition by chemosynthesis.
- They take nitrogen from the atmosphere in form of nitrogen gas.
- The nitrogen gas is converted into fixed nitrogen compounds such ammonia.
