All of the populations of different species that occupy and are adapted to a given area are referred to by which term? biosphere community ecosystem niche habitat

Which organelle releases chemicals that break down large food particles into smaller ones?

What is the process of pulling apart an n2 molecule nevermind i got it

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.