What is an example of a biotic part of an environment?
a. soil
b. grass
c. rock
d. air

What do scientists need to look at before developing an argument

Classify the structures as homologous or analogous, depending on their structure and function.

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.