As a child, you may have dug in the dirt and played around with
Platyhelminthes: flatworms
Nematode: roundworms
Annelida: segmented worms
Mollusca: mollusks

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.