What name is given to a feature of an organism that improves its chances of survival?
An adaptation
A phenotype
Variation
When is an organism no longer well adapted?
It doesn’t produce any more offspring
Its environment changes
It has to compete with other organisms
Over many generations, what would the number of well-adapted organisms in a population be expected to do?
Increase
Decrease
Stay constant
What is a physiological adaptation?
A body process that helps an organism to survive
A body response that helps an organism to survive
A body structure that helps an organism to survive
The white fur of a polar bear is an example of which form of adaptation?
Behavioural adaptation
Physiological adaptation
Structural adaptation
Which of the following is an example of a behavioural adaptation?
A seal producing a chemical that helps it store extra oxygen for deep dives
A desert rat being nocturnal to avoid the heat of the day
A male emperor penguin making milk in its gut to feed its chick
Huddling by male penguins to conserve heat is an example of what?
The ability of a seal to divert more blood to its brain during diving is an example of which form of adaptation?
What determines whether or not an organism is well adapted?
Its environment
Its genes
Its environment and its genes