Science 1 and 2

Question 1

Species

Answer 1

living things of the same kind that are able to reproduce successfully

Question 2

Biological diversity

Answer 2

the virability of species & ecosystems on earth & the ecological proccess of which they are a part

Question 3

ecosystem

Answer 3

a particular enviroment where living things interact with other living/ non-living things

Question 4

population

Answer 4

a group of individuals of the same species living in a given area

Question 5

community

Answer 5

a group of populations of diffrent species living in the same area

Question 6

symbiosis

Answer 6

the relationship between 2 diffrent species

Question 7

mutualism

Answer 7

both species benifit

Question 8

parasitism

Answer 8

1 specie benifits while the other is harmed

Question 9

interspecies competition

Answer 9

2+ species using the same limited resources

Question 10

niche

Answer 10

the role of an organism/species in an ecosystem

Question 11

variability

Answer 11

variations within a species

Question 12

resource partitioning

Answer 12

division of resources amoung 2 or more coexsisting species

Question 13

natural selection

Answer 13

a proccess in which the enviroment “Selects” which individuals will survive and reproduce

Question 14

heritable characteristics

Answer 14

characteristics that are transmitted from generation to generation

Question 15

non-heritable characteristics

Answer 15

characteristics caused by the enviroment

Question 16

discrete varitation

Answer 16

variation in a heritable characteristic that has an either/or form

Question 17

continuous variation

Answer 17

variation in a heritable characteristics that falls within a range

Question 18

asexual reproduction

Answer 18

reproduces without sex cells

Question 19

binary fission

Answer 19

a type of asexual reproduction in amobeas & other organisms in which a parent divides into 2 identical cells

Question 20

budding

Answer 20

a type of asexual reproduction in which a new organism develops from an outgrowth, or bud, on the parent

Question 21

spores

Answer 21

a cell produced by asexual reproduction in certain organisms such as ferns,which can develop directly into an adult

Question 22

vegetative reproduction

Answer 22

a type of asexual reproduction in plants that does not involve the formation of a seed

Question 23

sexual reproduction

Answer 23

reproduction involving the exchange of genetic material between 2 individuals resulting in offspring that are genetically diffrent from the parents

Question 24

gametes

Answer 24

a sex cell,either male or female, that can unite with another to form a fertilized cell that can develop into a new individual

Question 25

fertilization

Answer 25

the union of female and male sex cells

Question 26

zygote

Answer 26

a fertilized egg

Question 27

cleavage

Answer 27

the first division of an egg

Question 28

embryo

Answer 28

the undeveloped organisms in its beggining stage

Question 29

cross pollination

Answer 29

the transfer of pollen from the anther of 1 plant to the stigma of another by wind,water or animals

Question 30

cross fertilization

Answer 30

the joining of a gamete from a pollen grain and a gamete from an ovule to form a zygote

Question 31

commensalism

Answer 31

the relation ship between species in which 1 benifits and the other species in neither harmed nor benifits