Why does sexual reproduction result in more genetic variation in a species?

a. it mixes the chromosomes of the two parents.
b. it increases the number of genes in each organism.
c. it produces haploid organisms.
d. it increases the chromosome number.

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat. o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat. habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.