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Worksheets2019 evolution most missed concepts
Total questions: 10
Worksheet time: 5mins
Some organisms have genes that improve their ability to survive and reproduce. If the genes also help their offspring survive and reproduce, then which of the following will most likely increase?
frequency of the genes in one individual
The frequency of the genes in the population
The number of genes in one chromosome
The number of genes in the species
scorpions today are much smaller than their extinct ancestors.
Which of the following conclusions is supported by this information.
Scorpions living today have increased their numbers since they first appeared.
Scorpions in the fossil record are smaller than their descendants are.
Scorpions have changed as a result of natural selection.
Scorpions do not appear in their original state in the fossil record.
Howea belmoreana. The two species do not interbreed even when they grow very close to each other.
Which evolutionary process fails to occur?
Genetic drift of Howea forsteriana
Natural selection of adaptive traits in both species
Gene flow between the two species
Mutations in Howea belmoreana
can a fern fossil be found more than 425 million years ago?
yes
no
what is a probascus
foot
leg
mouthpart used to drink nectar deep in a flower bell
stinger-mouthpart
the specialized mouthpart
pollinates flowers
gives the insect less competition for food
allows day feeding
helps aviod large animals
the seed you see is dispersed by wind, away from the parent palnt...this reduces
competition for food
competition for sun
competition for space
all are true
some organisms have genes that improve their ability to survive and reproduce . If their offspring also carry this trait then
the fitness of the genus species will increase
the fitness of the genus species will decrease
the animals will live about as long as other animals in the same genus species
who is more related to the raccoon
dog
lesser panda
brown bear
giant panda
2 trees fail to reproduce, what else will fail
gene flow
genetic drift
