Science worksheets for class 10
Access printable science worksheets for class 10
A yellow morph and green morph of an insect lives in the rainforest canopy. You would expect:
the green population to increase and the yellow to decrease
both populations should stay the same
both populations will increase
the green population to decrease and the yellow to increaseThis is a wrong answer
What word describes a trait that helps an organism survive in its environment?
natural selection
mutation
camouflage
adaptation
Natural Selection is driven by a change in the environment and survival of the
Earth
Fastest
Fittest
Biggest
Why are advantageous traits more likely to be passed onto offspring?
Because they are more likely to survive and reproduce.
Because they come from dominant alleles.
Because they come from recessive alleles.
Because the organism knew it needed that trait, survives, and passes it on.
Mutations are a change in what?
DNA
tRNA
protein
rRNA
Where do adaptations come from?
The individual organism decides to adapt
Mutations that give an organism an advantage in its environment
Genetic recombination during meiosis
Both mutations and genetic recombination are sources of adaptation
"Organisms that are better adapted to the environment survive to pass traits to their offspring" is the definition of
Natural Selection
Evolution
Selective Breeding
Artificial Selection
According to natural selection, light colored tree trunks would favor
light colored moths
dark colored moths
red colored moths
red and light colored moths
Speciation can occur as a result of geographic isolation because _________.
members of a species can no longer find mates
populations that live in different environments may be exposed to different selection pressures
exchange of genes during recombination
movement of genes within a population because of interbreeding
_______________ occurs when a population declines to a very small number then goes back up but results in a permanent loss of genetic diversity in the population (example: the Cheetah population)
coevolution
bottleneck
archaeopteryz
mutation
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