Q: Q: What is the physical environment in which a species lives and to which it has adapted? Choices: - ecosystem - land mass - farmland - habitat A:
A: habitat

Q: Q: What is the stage between a zygote and polyp? Choices: - pupa - egg - worm - larva A:
A: larva

Q: Q: Respiratory development in the embryo begins around week 4. ectodermal tissue from the anterior head region invaginates posteriorly to form olfactory pits, which fuse with endodermal tissue of the developing pharynx. an olfactory pit is one of a pair of structures that will enlarge to become this? Choices: - anal cavity - eye cavity - fluid cavity - nasal cavity A:
A: nasal cavity

Q: Q: Although they are as different as deserts and wetlands, all of these ecosystem units have populations of interacting species? Choices: - corals - continents - zoos - biomes A:
A: biomes