Charles Darwin and Natural Selection
A bunny with a white coat is more likely to survive in a snowy environment than a bunny with a brown coat in the same environment. What term BEST describes why the white bunny will survive?
A. Variation
B. Natural Selection
C. evolution
D. Species
B. Natural Selection
If you got it wrong write down
1. Natural selection- organisms with beneficial adaptations survive and are selected to carry down their genes
Which adaptation would be most beneficial for a lion in the African savanna?
A. long claws to hunt prey
B. Shiny fur
C. poor vision
D. All of the above
A. Long claws to hunt prey
If you got this wrong write down
4. beneficial adaptations help organisms survive in their environment
When will a mutation be passed down from parent to offspring
A. If the mutation helps the organism survive
B. If the mutation does not affect the organism
C. If the mutation is recessive
D. If the mutation causes the organism to migrate
A. if the mutation helps the organism survive
If you got this wrong write down
7. Mutations that are beneficial can help an organism survive
Saber toothed tigers used to roam the earth 10,000 years ago. Scientists know this because they have found saber toothed tiger fossils and were able to determine how old they are. However, there are no saber toothed tigers alive today. This means that saber toothed tigers must have.......
A. Went extinct
B. Mated with another species to have offspring that exist today
C. Been infertile
D. Mutated to become another species
A. Went extinct
If you got it wrong write down
8. Extinct- Organisms that existed before in the fossil record but are no longer found today
What determines the traits that organisms have?
A. the genetics of the parents
B. The temperature of the environment that animal lives in
C. the amount of food available to the organism
D. All of the above
A. the genetics of the parents
If you got it wrong write down
11. Traits are determined by genetics
Which is an example of overproduction?
A. 2 shark species hunting the same whale
B. Different types of cat coat colors
C. Lizards that have longer claws can hunt more prey
D. A black widow spider can lay hundreds of eggs and only some survive to adulthood
D. A black widow spider can lay hundreds of eggs and only some survive to adulthood
If you got it wrong write down
2. Over production- producing too many offspring because some will not survive
Which moth will NOT survive a predator attack
A. 1
B. 2
C. 3
1. the white moth
If you got it wrong write down
5. Species that blend into the environment will survive better than those that stick out
Which 2 statements best explains how organisms have common ancestors?
A. Different species can have similarities in their DNA sequences
B. Different species have similar traits
C. Different species like the same food
D. Different species occupy the same territory
A. Different species can have similarities in their DNA sequences
B. Different species have similar traits
If you got this wrong write down
9. common ancestors share similar DNA sequences to other species
What factors did Charles Darwin observe that effected Natural selection?
A. Variation, homologous structures, and adaptations
B. overproduction, variation, and adaptations
C. overproduction, variation, and competition
D. Variation, homologous structures, and competition
C. overproduction, variation, and competition
If you got it wrong write down
12. Darwin observed Overproduction, variation, and competition
Which vocab word best describes this picture?
A. Evolution
B. variation
C. Homologous structures
D. Competition
A. Evolution
If you got it wrong write down
3. Evolution is the gradual change of a species over time
What is the benefit of the different beak sizes of finches
A. to attract more mates
B. To be able to eat different sized nuts and seeds
C. To allow them to eat more
D. All of the above
B. To be able to eat different sized nuts and seeds
If you got it wrong write down
6. Adaptations allow organisms to better survive in their environment
What is the vocab term that describes when organisms are built similarly but the functions of their limbs differ?
A. Analogous structures
B. Homologous structures
C. Fossils
D. They are the same species
B. Homologous structures
If you got it wrong write down
10. Homologous structures examples
How many tattoos does Ms. Horne have?
5