jayjay2006
31.12.2019 •
Biology
tropical rainforest have more kinds of plants and animals than any other land biome. which of the following is a biotic factor in a tropical rainforest.
a. the average amount of rainfall.
b. a population of decomposers.
c. the regions air quality.
d. a stream running through the forest.
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Ответ:
D. Stem cells are often extracted from human embryos.
Explanation:
This is a major point of ethical concern and is also a root for many abortion conspiracy theories. The reason it is an ethical concern is because harvesting stem cells often times kills the embryo.