WorksheetsNatural Selection
Total questions: 20
Worksheet time: 17mins
How do you "win" at natural selection?
survive
go extinct
survive & reproduce
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
What happened to the peppered moth population after the Industrial Revolution?
There were MORE LIGHT moths because the bird couldn't see them on the DARK TREES
There were MORE DARK moths because the bird couldn't see them on the DARK TREES
There were MORE DARK moths because the bird couldn't see them on the LIGHT TREES
High biodiversity makes the food web more complex and better able to support the most species, even if some populations decrease.
True
False
High biodiversity makes it more likely that the ecosystem will be able to keep functioning after a disturbance, such as disease or natural disaster.
True
False
Which of these is NOT a benefit of biodiversity in an ecosystem?
It helps all individuals survive
Some individuals will survive because they have different traits, even if lots of others in their species die.
If something kills off a whole species, others can take their place and the ecosystem is still OK.
More food sources for consumer species
