Unit 1
What is biodiversity?
the existence of many different kinds of plants and animals in an environment
What subgroups are plants subdivided into?
Seed and non-seed plants
Why is Biodiversity important?
What is an important relationship amoung living things called?
A food web
What is one main reason for species going extinct?
Loss of habitat
True or False
Biodiversity is NOT vital to the future of our planet.
False
How many species of plants have been discovered?
Hint: more than 1,000
270,000
Where are more than half of the world's plant and animals species found?
tropical rainforests
How can species benefit from eachother?
True or false
Harming one species in an area is ok for the rest of the area.
False
What is the classification system that scientists use?
Sorting living things into groups based on their special characteristics
Define what seed plants are.
They contain groups called flowering plants and conifers. And also some grasses.
What is it called when farmers only grow one kind of crop?
Monoculture
What is an example of an interrelationship amoung species?
Hint: where species benefit from living together
A wolf pack
What is one example of protecting the Earth's biodiversity?
hint: Yellowstone
National Parks
How many different kinds of living things have scientists discovered?
Bonus: How many have yet to be discovered?
1.8 million
30 million
Which grouping is bigger?
Animal or plant?
Animal
True or False
Monoculture is very risky.
True
What is an invasive species? What is an example?
A species that find their way into an area by accident and once they establish themselves, they are competeing with the existing species for food, water and shelter.
Rabbits are an example
Farmers no longer use monoculture in their farms.
True
How many groupings is the classification system based on?
6
How many subgroups of animals are there? Can you name some of them?
9
animals with a backbone, animals with a soft body and hard shell, and animals with a segmented outer skeleton
Reduce, reuse and recycle