Q: What is the most abundant living thing on earth that can be found in almost any environment? Choices: - pests - viruses - pathogens - bacteria A:
bacteria

(Question)
Q: What serves to replace nonreproducing specialized cells as needed in the adult body? Choices: - osteoclast cells - monocyte cells - dendritic cells - stem cells A:
(Answer)
stem cells

Ques: Q: Name two candidates for the original sources of viral genomes. Choices: - ediacara and transposons - chloroplasts and transposons - macrophages and transposons - plasmids and transposons A:
Ans: plasmids and transposons

(Q).
Q: Which measure shows how individuals in a population are distributed, or spread throughout their area? Choices: - geographical distribution - population phase - proportional distribution - population distribution A:
(A).
population distribution

Ques:Q: What is the term for matter that does not let any light pass through it, whether it absorbs light, reflects light, or does both? Choices: - devoid - obscene - artificial - opaque A:

Ans:opaque

Q: A _______ of biology is a fundamental concept that is just as true for a bee or a sunflower as it is for us. Choices: - hypothesis - theory - notion - principle A:
principle