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Practice
100
Racoons tend to live in areas that are highly populated by humans. Why?
lazy racoons love easy FOOD!
100
Fern plants reproduce by ____________________.
spores
100
________________________ pollination would have the greatest effect on people with allergies.
Wind
100
Animals that live in the desert tend to be more active at night, why?
It uses less energy and is more comfortable at night because of the temperature.
100
What does a male deer possess that helps him defend his territory?
antlers
200
The process of carrying pollen from the stigma of one plant to the anther of another is called _________________.
pollination
200
An apple tree is a ______________________ plant.
flowering
200
Spores are released during what type of reproduction?
asexual
200
When people use land for buildings and crop planting, what happens to the habitats that were once there?
population sizes are decreasing
200
In a radish plant, which part would you consider planting in order to create more of the same?
seeds
300
Give an example of what a baby spider can do when it inherits knowledge as an instinct.
spin webs
300
_________________________ reproduction produces offspring from only one parent.
Asexual
300
If pollution killed all the coral on the Great Barrier Reef, which contains many endangered species, what would happen to those species?
they would become extinct
300
When seeds ______________________, the root part of the plant grows first.
germinate
300
What does the endangered species act of 1973 most likely deal with?
preventing people from hunting endangered species
400
Most of the world's endangered species live in the rain forest, why?
all of the other trees in the world are being cut down
400
Eye color is what type of characteristic?
inherited
400
Give one example of a learned trait of a puppy?
fetching
400
Looking like a poisonous dart frog could help a non-poisonous frog survive by doing what?
frightening away predators
400
How would a man-made reef benefit the Gulf of Mexico?
fish populations would increase
500
Why would bees no longer land on flowers if the petals were missing?
they are attracted to the colorful petals
500
Food webs are used to predict ______________________ of a particular species because they show more relationships than food chains.
survival
500
In a food web, ___________________ break down dead organisms.
decomposers
500
Consumers of a particular plant would have a __________________ food source if a disease removed a particular species of plant from the food web.
smaller
500
Food chains show relationships between ______________ and ___________________.
predators and prey