intro to ecology notes

Question 1

what is ecology

Answer 1

the study of relationships between 2 organisms or between an organism and its environment

Question 2

unicellular

Answer 2

one cell

Question 3

multicellular

Answer 3

more than 1 cell

Question 4

example of a unicellular

Answer 4

bacteria

Question 5

example of multicellular

Answer 5

yourself

Question 6

growth

Answer 6

becoming larger

Question 7

reproduction

Answer 7

producing offspring

Question 8

what are the two types of reproduction

Answer 8

sexual and asexual

Question 9

sexual reproduction

Answer 9

mating between two organisms of the same species

Question 10

asexual reproduction

Answer 10

offspring arise from a single parent

Question 11

stimulus

Answer 11

a change in an organism’s environment “cause”

Question 12

response

Answer 12

how an organism reacts to change in their environment “effect”

Question 13

what is an organism

Answer 13

individual member of a species or population.

Question 14

what is population

Answer 14

multiple individuals of the same species living together.

Question 15

what is community

Answer 15

multiple populations of different species living together.

Question 16

what is ecosystem

Answer 16

the same size as the community level, but takes into account the abiotic factors surrounding the community.

Question 17

what is a biome

Answer 17

multiple ecosystems that share similar characteristics

Question 18

what are some examples of biomes

Answer 18

grassland, tundra, rainforest, desert

Question 19

what is an example of an organism

Answer 19

a deer

Question 20

what is an example of population

Answer 20

deer in a field

Question 21

example of community

Answer 21

birds, deer, plants, insects, squirrels

Question 22

example of ecosystem

Answer 22

birds, plants, temperature, precipitation

Question 23

what is the biosphere

Answer 23

a planet

Question 24

biodiversity

Answer 24

the variety of organisms considered at all levels, from populations to ecosystem

Question 25

true or false: Biodiversity has decreased over time

Answer 25

false

Question 26

taxonomy

Answer 26

the study of describing, naming, and classifying organisms

Question 27

what is binomial nomenclature

Answer 27

2-name naming system by Carolus Linnaeus that names organisms after their two most specific classification levels: Genus species

Question 28

what are the two most specific classification levels

Answer 28

genus and specie

Question 29

all life is organized into: | hint: there are 8

Answer 29

domain kingdom phylum class order family genus species

Question 30

Cladograms and Dichotomous Keys

Answer 30

tools used to display relationships and classify organisms using their characteristics