What is the BEST explanation for why thylakoid membranes are flat and stacked? A. to fit more into a chloroplast
B. to increase surface area for light absorption and cross-membrane traffic
C. to increase the color of the leaf as camouflage from herbivores
D. to hold more ATP

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above