Species Types
What species only lives in a certain area like mountain ranges or a lake?
Endemic Species
What is biodiversity?
Having multiple types of species in a given area
How long does evolution take usually?
thousands to millions of years
Species that would ruin the balance of an ecosystem in its absence.
Keystone Species.
What does loss of biodiversity do to the resilience of an ecosystem?
It decreases
Which of the following scenarios are a form of artificial selection?
A. Tsunami takes out the last remaining blue jays
B. Humans breeding pure bred poodles
C. Gorilla mother only feeds two of her young and leaves the other to fend for themself
B
Kangaroos are _____ species to Australia.
Native Species
What is a gene?
part of DNA that codes for specific characteristics
Which two of the following is an example of natural selection?
A. Giraffes with longer necks surviving better than small neck giraffes because they can reach the leaves
B. Parents choosing to have a child with blue eyes through IVF
C. Finches with shorter beaks in Isla Island because insects are shallow in the ground
A & C
English Ivy has taken over the forest it is now inhabiting. It has take resources away from native species. This type of species is called a _____ species.
Invasive
What regions are biodiversity the highest?
Tropical Regions
Which of the following is an example of sexual selection?
A. Male chickens can attract a female mate if their call is loud
B. Cats snuggle with their mate to withstand cold temperatures in the winter
C. Pigeons flocking in pairs to go south for the winter
A
Sumatran Orangutans are found exclusively on the Sumatra Island of Indonesia. There are only 14,000 individuals left. What type of species is this?
Endangered Species
How does climate change affect biodiversity?
Decreases biodiversity
A gene _______ means a change in a gene that can be passed on to future generations and possibly causing an evolution of a species.
Mutation