Human Body Systems
Parts of the Body
Evolution
Ecology
Animal Behavior
100
Coordinates the body's response to changes in its internal and external environment
What is the nervous system?
100
Released by glands in the endocrine system to help the body maintain homeostasis
What are hormones?
100
Based on the ideas of natural variation and natural selection.
What is evolution?
100
The amount of energy consumed at each trophic level
What is 10%?
100
A bird finding a mate is an example of a(n) __________________ behavior.
What is an individual behavior?
200
Helps produce voluntary movement, circulate blood, and move food.
What is the muscular system?
200
Blood vessels that carry blood away from the heart
What is arteries?
200
Organisms with favorable genetic variations will survive and reproduce most successfully.
What is natural selection?
200
A pod of bottlenose dolphins, a school of surgeonfish, a flock of pigeons. These groups would all be considered a...
What is a population?
200
An increase in Earth's average temperature from the buildup of carbon dioxide and other gases in the atmosphere.
What is global warming?
300
Offers structural support, a site for blood cell formation, and protects internal organs.
What is the skeletal system?
300
It absorbs water into the bloodstream
What is the large intestine?
300
When species produce more offspring than will survive to reproduce.
What is overproduction?
300
On an evolutionary tree, this is the oldest species that all other species relate to
What is the common ancestor?
300
The greatest contributors to environmental change.
What is humans?
400
Provides oxygen and removes carbon dioxide
What is the respiratory system?
400
They break down food mechanically, increasing the surface area of the food for enzyme action
What is teeth?
400
A trait or characteristic that increases an individual's fitness in their environment.
What is an adaptation?
400
Land, water, air, and all living organisms on Earth.
What is biosphere?
400
An automatic behavior that an organism exhibits from birth
What is innate/instinctual?
500
Transports gases, nutrients, and waste products to and from the body's cells
What is the circulatory system?
500
This part of the body is made up of calcium and phosphorus
What is bones?
500
The variant form of a gene.
What is an allele?
500
If the birth rate of a population decreased and the death rate increased, then the population has the potential to go...
What is extinct?
500
The first species to appear in a new community or after a human disturbance in a previously established community.
What is a pioneer species?
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