A segmented worm seen below is an invertebrate with what type of body symmetry? Question 19 options: Radial Bilateral Asymmetrical.

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs

Tropical rain forests support more species per unit area than any other terrestrial ecosystem. what is one way rain forests are important to the health of the biosphere?