Answer: Can you say which five scenarios is the project talking about-?
B.produce antibodies when triggered by antigens
Answer:
Hope this is helpful! Sorry if my answer is choppy.
Explanation:
Biotic and abiotic features are both important in ecosystems because for example, a biotic factor like a plant, relies on an abiotic factors like the rain and the sun. If the rain were non existent, then the plants would no longer be alive causing a chain reaction in the food system. Biotic factors like plants and animals that are non existent can also cause negative effects in biomes and ecosystems.
Four chambered heart keeps oxygenated and deoxygenated blood separate and has double circulation while three chambered heart has a single circulation. Two chambered heart only has single atrium and single ventricle
Answer:
C. Axis
Explanation:
The label "N" refers to the northern hemisphere, and the red line is the axis on which the Earth rotates.
