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Which is not a cause of variations to arise in a population?
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
2. Define adaptations.
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
Which of the following statements best describes why birds are one of the only descendants of the dinosaurs that live today?
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
Which of these answers correctly pairs a scientific discovery with the type of evidence for evolution that it represents?
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
A scientist described two modern-day species as sharing a common ancestor. What does it mean when two species share a common ancestor?
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
Which of the following do some scientists believe shows evidence for evolution in living species?
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
Define natural selection.
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
Which animal would you expect a dog’s genes and proteins to be the most like?
all of the these
unused hind limbs, structural evidence
rapid population increases
An inherited trait that increases an organism’s chance of surviving and reproducing in its environment.
It means that one of the species evolved from other species.
Bird’s ancestors were able to adapt to the environmental changes that caused the extinction of the dinosaurs
wolf
Organisms with variations that help them survive in their environment, live longer, and go on to reproduce.
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