Are humans helping or hindering the EARTH?

What is your opinion? Why?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm