The behavior of animals is based on
scientists' current understanding of the evolutionary history of living
species. Although they are
radially symmetrical, echinoderms are more closely related to a human than to a jellyfish because they have a skeleton.
Answer:
an asteroid impact
Explanation:
The asteroid that formed a crater located on the edge of the Yucatan peninsula thought to be responsible for the mass extinction of dinosaurs.
First blank_______Light Energy
Second blank______Glucose
More info one photosynthesis:
https://en.wikipedia.org/wiki/Photosynthesis
What are the effects of the amount of sunlight received by a plant?
A group of tissues working together is an organ.
ANSWER:
A. an organ
