Q: Cells must also be able to separate their relatively stable interior from what? Choices: - their habitat - predators - competition and chaos - the external environment A:
the external environment

(Question)
Q: Living things evolve what characteristics that make them better suited for their environment? Choices: - mutations - instincts - reflexes - adaptations A:
(Answer)
adaptations

Ques: Q: Which competition leads to one species going extinct or both becoming more specialized? Choices: - intraspecific - beneficial - mimicry - interspecific A:
Ans: interspecific

(Q).
Q: What are the key cells of an immune response? Choices: - keratinocytes - erythrocytes - histiocytes - lymphocytes A:
(A).
lymphocytes

Ques:Q: What characteristics of an organism help it survive? Choices: - systems - additions - Changes - adaptations A:

Ans:adaptations

Q: What are made on ribosomes in the cytoplasm? Choices: - lipids - cells - enzymes - proteins A:
proteins