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25 questions
A trait or change in lifestyle that helps a plant or animal survive in its environment
adaptation
evolution
homologous
vestigial
When HUMANS select or choose a plant or animal for breeding based on a desired trait
natural selection
artificial selection
Shows how different groups of organisms have changed over time.
fossil record
homologous structures
embryology
Organisms with the best suited adaptations for their environment are more likely to survive and reproduce than organisms that are not very well adapted
natural selection
artificial selection
creationism
Organisms from the same species can vary in…
1) physical appearance
2) genetic makeup
overproduction
variation
selection
adaptation
a trait that gives an organism an advantage in their particular environment
overproduction
adaptation
selection
variation
The body structures for a population of chimpanzees were stable for a long time. Then, their body structures changed, making the chimpanzees stronger. Why did this happen?
Organisms naturally become stronger over time.
It is impossible to say without more information.
The chimpanzee population wanted to be stronger.
Their environment must have changed.
an older population from which two or more newer species descended
descendant species
paleontologist
common ancestor population
shared structure
the process by which one population evolves into two or more different species
paleontologist
speciation
descendant species
species
a scientist who studies fossils in order to understand the ancient history of life on Earth
descendant species
shared structure
paleontologist
speciation
The Earth is about __________yeras old.
50.6 million years
4.5 billion years old
4.5 million years old
4.5 trillion years old
Why would a fox's fur be brown in the summer and white in a winter?
The fox like to change fur colours.
The changing colour of the fur help the fox blend with the surroundings
The fox learn from its parents
The fox like to do that
Which is not an example of camouflage ....
a tiger stripes blend in with long grass
a soldier's battle uniform helps him blend in to the background
a butterfly fish have an eye spot on the body to fools the predators
a polar bear has thick white fur
Which adaptation this organism using?
camouflage
mimicry
hide and seek
use body covering
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