Bio 20: Section 3.1

Question 1

how many divisions does mitosis have?

Answer 1

1

Question 2

how many divisions does meiosis have

Answer 2

2

Question 3

how many daughter cells does mitosis produce?

Answer 3

2

Question 4

how many daughter cells does meiosis produce?

Answer 4

4

Question 5

mitosis: the number of chromosomes in daughter cells is the _______ as in parent cell

Answer 5

same

Question 6

meiosis: the number of chromosomes in daughter cells is _________ of the parent cell

Answer 6

half

Question 7

where does mitosis take place?

Answer 7

body (somatic) cells

Question 8

where does meiosis take place?

Answer 8

reproductive cells

Question 9

everything that affects a living thing &/or that a living thing affects

Answer 9

environment

Question 10

what is an organism?

Answer 10

one individual

Question 11

what is a population?

Answer 11

a group of the same species

Question 12

what is a species?

Answer 12

a group of organisms that can reproduce with each other and their children can also reproduce with each other

Question 13

what is a community?

Answer 13

more than one population

Question 14

what is an ecosystem?

Answer 14

a community interacting with abiotic factors (ex. air, water, soil)

Question 15

ecologists study changes within levels of interaction. all levels are studied within a specific _________, within a specific _________

Answer 15

area, time

Question 16

most communities are ______________ - they adapt to changing abiotic conditions

Answer 16

dynamic

Question 17

what is succession

Answer 17

the predictable pattern of change in an ecosystem

Question 18

what do interactions between populations and within a community do to the environment?

Answer 18

they alter the environment

Question 19

as disturbances occur in an env., diff. _________________ will pop up and grow based on their interactions with abiotic factors

Answer 19

populations

Question 20

what are 4 reasons of restrictions in ecosystems?

Answer 20

food availability
predators
precipitation (producers)
sunlight (producers)