Answer:
beeswax
Explanation:
water is abiotic
temp is abiotic
rock are abiotic
and beeswax has to be biotic
They found fossils and rocks that did not fit the climate they should have ben found in.
Answer:
<em>The correct option is cell surface markers.</em>
Explanation:
The immune cells of our body detect foreign particles and generate responses so that our body can get rid of them. The foreign particles are often termed as antigens.
The immune cells such as antibodies possess cell surface receptors which detect the foreign objects or antigens. When the cell surface receptors detect any antigen they immediately recognize that a foreign particle has invaded the body and they then identify it and start to generate response.
Maybe this helps ? Please look at the picture
