Answer:
Option A (Macromolecules)
Explanation:
Nucleic acid and carbohydrates are both types of organic molecules known as macromolecules.
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Answer: C) gas bubbles
Explanation:
An abiotic factor is the factor which influence the life of living beings on earth. The formation of gas bubbles inside the swamp is the example of abiotic factor.
The gas bubbles are formed inside the swamp, marsh or bog. It consists of the mixture of hydrogen sulfide, carbon dioxide and methane. These gases produce naturally in these water bodies due to anaerobic digestion and fermentation of the animal or plant matter inside the water body which results in the formation of bubbles in the body of water.
Answer:
Group 2
Explanation:
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Changes in the trilobite exoskeleton can be attributed to changing environments and competition for survival
Answer: Punnett Square
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A punnett square is used to display the possible outcomes of a genetic cross. The parents' alleles are written across the top and the side, and the possible genotypes are written in the boxes (see image).