Which of Mendel’s generations was allowed to self-pollinate?

In natural selection, what is actually “selected? ” a) alleles are directly selected b) genotypes are directly selected c) phenotypes are directly selected d) entire populations are directly selected

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm