Study Guide 1

Question 1

When 2 different populations in a community benefit from their relationship with each other, the result is called:

Answer 1

mutualism

Question 2

Which of the following statements about dehydration synthesis is false

Answer 2

F:
- Animal digestive systems utilize this process to break down food

T:
- One monomer loses a hydrogen atom, and the other loses a hydroxyl group
- H20 is formed as the monomers are joined
- Covalent bonds are formed between the monomers

Question 3

Mitochondria differ from chloroplasts in that mitochondria

Answer 3

contain membrane fold called cristae, whereas chloroplasts contain disk-like vesicles in stacks called grana

Question 4

You are told that the cells on a microscope slide are plant, animal or bacterial. You look at them through a microscope and see cell walls and membrane-bound organelles. You conclude correctly that the cells

Answer 4

are plant cells

Question 5

An ecologist hypothesizes that Predation by a particular owl species is the major factor controlling the population of a rabbit species. If this is the case, which of the following population effects could be expected in the rabbit-owl pair?

Answer 5

an increase in the owl population should cause a fall in the rabbit population

Question 6

Which arrow shows nitrogen fixation

Answer 6

arrow d

Question 7

The modification of behavior based on specific experiences defines:

Answer 7

learning

Question 8

In many dense forests, plants living near the ground engage in intense competition

Answer 8

sunlight

Question 9

In a good chain consisting of grass, grasshopper, sparrows and hawks, the grasshoppers are:

Answer 9

primary consumers

Question 10

Which of the following options best depicts the flow of info when a gene directs the synthesis of a cellular component?

Answer 10

DNA - RNA - Protein