The hippopotamus population has declined over the years. climate change and human predators have caused their numbers to decline. what adaptation could prevent their future extinction? a) they only give birth to one calf every other year. b) their large size makes them difficult to approach from a predators stance. c) their feet have membranes between their toes making it easy to move in water. d) their body is almost completely hairless except for a few bristles around their mouths.

Biology 1c cumulative exam i need awsners

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits