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Biology, 11.10.2019 08:00 ltay92

Both the arctic fox and snowshoe rabbit have made species adaptations over time that enable them to survive. for example, both creatures have fur that turns white in winter and fur on the pads of their feet. these are examples of adaptations to

question 1 options:

geographical isolation.

interspecies competition.

climate.

specific food sources.

question 3 (1 point)

most animal cell membranes have proteins that pump ions out of the cell and potassium ions into the cell.

question 3 options:

sodium

magnesium

calcium

carbon

the surface area-to-volume ratio of cells determines how quickly they can absorb materials. suppose that a space mission to planet zognard-42 uncovers giant cube-shaped single celled organisms living in an oxygen atmosphere. one species of cube-shaped organism is 2 cm on each side. another is 1 cm on each side. about how much faster will the smaller cube organism be able to absorb oxygen?

question 4 options:

they all absorb at the same rate.

2 times

3 times

6 times

cells are limited in size because

question 5 options:

they divided before they have a chance to grow.

they do not have enough vacuoles to store materials.

the cell membrane can't supply enough materials for a too large cell.

they are always in groups.

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