Artificial Selection
When you change the environmental conditions yourself
artificial selection
Inherited trait that increases an organism’s chance of surviving and reproducing in its environment
adaptations
An adaptation that enables a species to blend in with its environment
camouflage
The idea that all breeds of dogs are the same ______
species
Which one takes longer?
What is natural selection?
The breeding of organism for desired characteristics
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?
Corn was one of the 1st plants to ever be domesticated. What was its original name and how long ago was it domesticated?
What is Teosinte....about 9,000 years ago?
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.
Charles Darwin's book
The Origin of Species
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.
Getting two dogs to breed to try and get the traits you want for both dogs is an example of
selective breeding
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
A polar bear surviving in the harsh cold and a black bear dying in the same environment is an example of what
natural selection/survival of the fittest
When plants or animals live in close association with humans?
What is domesticated?
Name at least 4 vegetables that have been developed from mild mustard.
What is Kohlrabi, Cabbage, Broccoli, Cauliflower, Brussel Sprouts, & Kale?
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