How can we improve the accuracy of the capture recapture method?
make sure enough time has passed inbetween the two samples, the marking technique des not affect the survival of animal e.g. seen easier by a predetor
17 of 21
What is a biological control of pests?
its when another organism is used to kill pests
18 of 21
Give one benefits and drawbacks to biological cotrol?
- specific to particular pest and the pest doesnt develop resistance to the predetor however it doesnt completely get rid just lowers the numbers of the pest
19 of 21
What is an alien species?
an animal or plant in a country it doesnt come from
20 of 21
Name some of the effects alien species may have on wildlife e.t.c.
-may take over native species -may carry disease -ruin the natural/native plants of a country causing them to die e.t.c.
21 of 21
Other cards in this set
Card 2
Front
What does morphological adaptation stand for?
Back
the shape of an animal/ how animals change in shape to their surrounding
Card 3
Front
Give two examples or orphological adaptations to a polar bear
Back
Card 4
Front
What is the meaning of behavioural adaptations?
Back
Card 5
Front
Give one example of a behavioural adaptation to any animal?
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