Q: Our global ecological footprint depends on resource use per person and what population factor? Choices: - population fluctuation - population sample - population decrease - population density A:
population density

(Question)
Q: What term is used to describe a simple diagram that shows one way energy flows through an ecosystem? Choices: - water cycle - food pyramid - fuel chain - food chain A:
(Answer)
food chain

Ques: Q: What technique is used by insects and birds to find food, mates, and safety from predators? Choices: - playing - sleeping - mating - flying A:
Ans: flying

(Q).
Q: Besides the inner membrane, where are many respiratory enzymes found? Choices: - alveoli - golgi apparatus - cytoplasm - the matrix A:
(A).
the matrix

Ques:Q: What tissue blocks entry of pathogens in mammals? Choices: - dendritic - esophageal - pathological - epithelial A:

Ans:epithelial

Question: Q: Unlike a crystalline solid, an amorphous solid is a solid that lacks a what? Choices: - atoms - weight - color - ordered internal structure A:
Answer:
ordered internal structure