genetics and evolution

Question 1

what’s environmental variation

Answer 1

differences in individuals that is caused by where the organism lives

Question 2

give 3 examples of environmental variation in plants

Answer 2

1. shorter stems in dandelions
2. smaller sized seeds
3. longer necks in giraffes

Question 3

give 3 examples of environmental variation in humans

Answer 3

1. hair length
2. piercings
3. scars

Question 4

what’s classification

Answer 4

putting organisms into groups

Question 5

what’s species

Answer 5

organisms that can reproduce

Question 6

how many chromosomes does a human have ?

Answer 6

46
23 by mum
23 by dad

Question 7

what’s adaptation

Answer 7

the features that something has to enable to do a certain job

Question 8

what’s endangered

Answer 8

when a type of organism is trying to exist

Question 9

extinct

Answer 9

an organism that no longer exists

Question 10

Native

Answer 10

naturally found in a certain area

Question 11

biodiversity

Answer 11

the range of different spieces of organisms in one area

Question 12

natural selection

Answer 12

the process of which animals adapt

Question 13

explain why the relationship between red and grey squirrels is an example competition

Answer 13

because they both want the same nuts but red squirrels can eat them before they are ripe while the greys can’t.