Q: What type of environment is maintained in homeostasis? Choices: - fluid internal - noisy internal - stable external - constant internal A:
constant internal

(Question)
Q: Fish are a diverse and interesting group of organisms in what sub-phylum? Choices: - mammals - invertebrates - organelles - vertebrates A:
(Answer)
vertebrates

Ques: Q: The central vacuole maintains turgor pressure against what? Choices: - the cell move - the cell multiplication - the cell addition - the cell wall A:
Ans: the cell wall

(Q).
Q: What is the series of changes in the reproductive system of a mature female that happens monthly? Choices: - urinary cycle - fetal cycle - pregnancy - menstrual cycle A:
(A).
menstrual cycle

Ques:Q: What is the main component of milk? Choices: - fat - lactose - proteins - water A:

Ans:water

Ques:Q: What type of rain dissolves limestone and marble? Choices: - carbon - natural - sulfur - acid A:

Ans:
acid