Some of the members of the protist kingdom have to take in food from their environment in order to survive as members of the animal kingdom. why are these organisms classified as protists and not as animals? they are unicellular and the members of the animal kingdom are all multicellular. they do not produce live young as the rest of the members of the animal kingdom do. they lack hair or fur and therefore cannot be classed as members of the animal kingdom. they are ectothermic while the members of the animal kingdom are all endothermic.

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.