End Of Unit Questions Flashcards
Why are arctic foxes white in the winter?
As camouflage so their prey won’t see them
State 3 possible ways a plant may conserve water
- waxy leaves
- very small leaves
- swollen stems
Why do warning colours prevent some animals being eaten?
Colour signals they are poisonous
Why do some animals move north during summer and south in winter?
Too cold in the north in winter and too hot in the south in summer
Why do some woodland plants grow and flower early in the year?
To ensure that they get light
Name an instrument that can record environmental chamber over a few weeks
A data logger
What is the advantage of some predators being camouflaged?
Their prey won’t see them coming
An elephant has a small surface to volume ratio, how will this affect the elephant in hot climate?
It will transfer energy slowly
A farmer plants some seeds in rows 10cm apart and they grow well. He wonder if he should plant them closer next year. Explain why this might not produce a better yield.
When grown closer together there is more competition for light, water, nutrients etc so they won’t do as well
Suggest why animals in a desert spend all day in a burrow and come out at night.
Because it is too hot for them during the day so they can cool down and hunt and eat at night to keep warm because it is freezing in deserts at night
Why is it difficult to interpret data about changes in the distribution of animals and plants?
There are so many possible variables. Warm climate might lead to other changes that could interrupt the distribution of organisms
State 3 things that plants compete for
- light
- water
- nutrients
- space
