Which phrase describes the study of ecology?
a.
comparing biotic and abiotic ecosystems
b.
transfer of light energy to chemical energy
c.
organisms that reproduce and maintain structure
d.
how living things are interconnected with their environment

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Mineral rich water heated by newly found oceanic crust escapes through cracks in the ocean floor called

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different