Artificial Selection
When you change the environmental conditions yourself
artificial selection
A random trait that increases an organism’s chance of surviving and reproducing in its environment
What is mutation?
An geographic or man-made feature that causes a species to become two species.
What is speciation?
The idea that all breeds of dogs can interbreed and produce young.
What is a species?
Which one takes longer?
What is natural selection?
Name a way that artificial or selective breeding happens, (the process)
What is DNA manipulation within a strand of DNA?
The three animal examples of natural selection
frogs, polar bear, owl, shrimp, giraffes, lizards, chameleon...
Who is the naturalist who made great discoveries about evolution?
Charles Darwin
Changes that happen to a species to help it survive
adaptations
Another term (2 words) for artificial selection.
What is selective breeding?
What are 3 reasons why plants are artificially selected?
What is appearance, taste and shelf-life?
Define Natural Selection
the process by which population of organisms with variations that help them survive in their environments live longer, compete better, and reproduce more than those that do not have the variations.
What the small differences in traits between members of the same species are called.
What is variation?
the young of a plant or animal
offspring
What is the difference?
Natural selection is where nature decides which animals breed. Artificial selection is where people decide which animals breed.
The nitrogen bases that bond together in DNA
What are adenine, cytosine, guanine, and thymine?
Do changes in natural selection happen slowly or quickly?
What is both?
Getting traits from parents
inheritance
What were the islands Charles Darwin travelled to and what was something he observed there?
Galapagos Islands; Finches (birds) had different beak shapes and sizes
Of the following, what is not an example of natural selection:
1. 2 animals breed together in a zoo on their own
2. 2 animals with likable traits breed on their own
3. 2 animals with likable traits get bred by people that chose those animals
Number 3: 2 animals with likable traits get bred by people that chose those animals
Does artificial selection always help living things to survive better?
No, because it could harm a species if it can't adapt to its environment any longer?
A polar bear surviving in the harsh cold and a black bear dying in the same environment is an example of what famous phrase.
"Survival of the Fittest"
When plants or animals live in close association with humans, the plants and animals are called...
What is domesticated?
Name at least three different forms of evidence that are used to support that animals evolved from a common ancestor.
What is DNA, Mitochondria, fossils, homologous bone structures, geography?
Is the following an example of artificial selection or natural selection:
Two animals that were just rescued are in a zoo now. They reproduced and got offspring with a variety of traits.
Natural Selection