Which of these organisms would be a producer?
a. fish
b. grasshopper
c. flower
d. snake
a. plants, animals, air, soil
b. trees, animals, soil, temperature
c. insects, air, soil, temperature
d. plants, animals, trees, insects

cell regulation is conducted by special proteins.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.

it should be d) transitional fossils.

they show the gradualism of evolution throughout a period of time