Worksheetschapter 5
Total questions: 19
Worksheet time: 10mins
An ecosystem with high genetic diversity is healthier than an ecosystem with low genetic diversity
true
false
Biodiversity refers to
Extinct species
non renewable resources
the variety of species on Earth
The rate a species decline
What is a keystone species
A keystone isn't a living thing, it's just a stone
A species that lives in or around rocks
Keys and stones have nothing to do with ecology
A species that helps to hold an ecosystem together
Why are bees considered a keystone species?
The honey they make supports the bear population
They sting when threatened
They pollinate flowers that produce fruit which supports the ecosystem
They live in hives
What are 3 types of biodiversity
Sedimentary, metamorphic, and igneous
Ionic, covalent, and metallic
Genetic, ecosystem and species
mRNA, tRNA, rRNA
What is the best definition of animal adaptation?
Changes to an animals diet
Characteristics of an animal's habitat
Characteristics that help animals survive
Skills learned in order to hunt
Which result is likely to happen to a species that CANNOT adapt to changes in its environment?
Grow and reproduce
Only hunt at night
Decrease in numbers or become extinct
Only eat one type of food
When taken to a new habitat, non- native plants often threaten native plants of the new habitat. Why do they do this?
Non native plants are able to mutate (change) rapidly
Non native plants are able to be used for medicine
Non native plants cause native animals to relocate
Non native plants compete with native plants for resources.
Kudzu ( a plant) has overgrown many parts of southern Missouri and native ground plants have disappeared from the area. This is an example of
Parasitism between kudzu and the native plants
Competition occurring between the native and invasive species
A predator prey relationship between ground plants and kudzu
Commensalism occurring between the kudzu and native plants
What is one EFFECT of pythons invading the Everglades
The number of small mammals, like mice are decreasing
Python can grow to be 18 feet long
The number of white tailed deer is increasing
How do you "win" at natural selection?
Survive
Survive and reproduce
Go extinct
What island did Darwin make his discoveries regarding evolution
Hawaiian
Galapagos
Polynesian
Bahamas
What did Darwin notice about the Finches (birds) in the Galapagos?
The size and shape of beak was different depending on the food source of each
the shape and size of the beak was the same
The size of finch was different depending on the habitat of each island
The size of finch was the same but the color was different
Why were wolves absent from Yellowstone from 1920-1995?
There was no prey available so they starved
Humans hunted all the wolves in Yellowstone and the surrounding area
When the elk died, the wolves moved to Canada
The wolves moved to Florida for warmer weather
A species that becomes popular in the media, drawing attention to its fragile or endangered habitat
mutualist
umbrella
predator
flagship
A species that is very sensitive to environmental changes and can help human identify if the habitat is suffering
indicator
predator
umbrella
mutualist
Species that are chosen to represent their whole ecosystem
umbrella species
flagship species
indicator species
An ecological hotspot is
an area where temperatures reach at least 120 degrees
an area where almost no species can be found
an area of very high biodiversity
a species that is only found in one part of the world
a species that exist in one area and nowhere else in the world is called
hot spot species
endemic species
epistatic species
predation species
