Scientists theorized that all ecosystems need sunlight as an energy source. What has been discovered on the ocean floor that has challenged this theory

Aspecies has evolved an asexual mode of reproduction by having offspring develop from unfertilized eggs. which of the following will be true of this species' response to natural selection? there will be more deaths from natural selection because there is no mutation. there will be less genetic variation from recombination and a risk of not adapting quickly to environmental change. the species will increase in numbers because genetic variation is increased. the species will compensate for loss of genetic variation by hybridizing with other species. there will be fewer deaths from natural selection because sexual recombination always leads to extinction.

Carbon compound that stores and transmits genetic information is called

When is the diploid number restored to the zygote? a. when the male and female haploid cells combine b. when the male and female diploid cells combine c. after the zygote is replicated d. when the two zygotes develop into a haploid cell