vocab
animal that eats both plants and animals
omnivore
a diagram with arrows showing energy flow from grass, to rabbit, to a fox is a
food chain
Parts of the body that are not visible such as the brain, heart, stomach and other organs are examples of
internal structures
plants do not have adaptations?
true or false
false
An animal that eats another animals
consumer
one organism benefits, the other is not harmed
commensalism
two members of the same species fight over who gets a certain food
competition
Animals ________ send messages to the brain and then the animal reacts to those signals to help it survive
Senses
Some animals are protected from enemies because they look like other animals
true or false
true
Animals that are eaten and hunted by other animals
prey
an animal that eats other animals
predator
After one species disappears, the other species in the ecosystem
Are thrown out of balance
Any physical or behavior change in a species of organisms that helps it survive
adaptations
A hummingbirds long beak and tongue are an example of an adaptation
true or false
true
Parts of the body that are visible such as limbs, heads, thorax, eyes, nose and mouth
External structures
one organism benefits, the other is harmed
parasitism
What is the role of the frog in the ecosystem
Consumer
what advantage might a beaver have over another beaver if its tail and feet are larger?
Swim faster to avoid predators
Why would a fish with larger and more powerful tail fins be able to survive longer than a fish with smaller, weaker tail fins?
it would swim faster, so it could avoid predators
Red-tailes hawks and mice are part of the ecosystem. What is their relationship?
predator/prey
both organisms benefit
mutualism
In a food web, arrows point in just one direction because they show
how energy goes to the animal that is eating
Animals need?
____________, ___________, _________, and __________
Air, food, water, and shelter
In a completely dark room your eyes will eventually adjust and be able to see objects
true or false
false
An animal can be a predator as well as a prey
true or false?
true