Ico
the cell membrane is described as being fluid because:
o
a. the phosphate groups move between fatty acids.
ens
b. the phospholipids move from side to side.
c. the fatty acid chains are inside it.
picd
d. the membrane lets materials pass through it.
laur

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

The tubes transporting minerals and water upward are called ?

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi