6th-grade plants stuff. Need Help!

1. The ozone in smog also inhibits plant growth and can cause widespread damage to crops and forests. 2. The differences between the dog breeds are due to genetic factors. The basset hound and chihuahua are much shorter than the other dogs. ... All dogs belong to the same species, so these differences are due to genetic variations. Each dog inherits genetic traits from its parents, such as the type or color of hair. The differences between the dog breeds are due to genetic factors. All dogs belong to the same species, so these differences are due to genetic variations. Each dog inherits genetic traits from its parents, such as the type or color of hair. This information is found in segments of DNA called gene.

Explanation:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.