Natural Selection
This person came up with the Theory of Evolution while studying finches on the Galapagos Islands.
Who is Charles Darwin?
_______ are unique traits developed by organisms to help them survive, thrive, and reproduce in their particular environment.
What are adaptations?
Organisms that are best adapted for their environment will _____.
This process states that organisms that are best adapted for their environment survive.
What is natural selection?
Plants that have brightly colored flowers with nectar attract pollinators such as birds, bees and insects. This is a ______ adaptation.
What is structural?
The organisms that are best adapted to their __________________tend to survive.
What is environment?
Organisms with this advantage are more likely to thrive, reproduce, and pass their traits to future generations than organisms without favorable traits. This process is known as ______.
What is natural selection?
Bears hibernate and birds migrate in the winter season. This is a ____ adaptation.
What is behavioral?
A group of organisms of the same species
What is population?
Which of the following is an example of natural selection?
A. Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.
B. Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.
What is B?
Snakes and spiders create venom that they can use to help them catch prey to eat. This adaptation involves how this organism’s body functions. This is a _____ adaptation.
What is physiological ?
The differences in a species' traits are called ____. An example is the different coat patterns in giraffes.
What are variations?
Over time, favorable traits are likely to (increase or decrease) within a population and unfavorable traits are likely to (increase or decrease) within a population.
What is increase, decrease?
Opossums when they feel threatened will "play dead" to confuse their predators. This is a ____ adaptation.
What is behavioral?
A species of bird lives in a tropical ecosystem and survives by eating fruit. The climate of this location changes very quickly, and the ecosystem becomes too cold for fruit trees to survive. If the bird species cannot adapt to eat a different source of food, this species of bird will most likely ___.
A. become extinct
B. increase in number
C. not be affected.
What is A?