An endoskeleton of calcified cartilage
Answer:
Mutations are random Mutations can be beneficial, neutral, or harmful for the organism, but mutations do not “try” to supply what the organism “needs.”
Explanation:
The answers is A). Plantas
Food is the most important source of chemical energy for living things. The chemical energy in food is converted, or changed, by the body into moving mechanical energy and heat energy. People have invented ways to use the chemical energy of substances to power machines.
Answer:
1)A
2)D
3)B
4)B
5)D
6)C
7)D
8)D
9)C
10)C
11)C
12)A
13)A
14)B
15)C
16)C
17)True
18)False
19)False
20)True
21)Cladogram
22)Body Plan
23)Deuterostomes
24)Tools
25)Osmosis
26)Sensory Neurons
27)External
got 100% hope that helps anyone
Explanation:
