Groups of animals may be large or small. The size of the group depends on what the animals need. Animal groups tend to be _______ if there is plenty of food. (smaller or bigger)
bigger
15
Groups of animals may be large or small. The size of the group depends on what the animals need. Animal groups tend to be _______ if there less food. (smaller or bigger)
smaller
15
List 3 things affect an ecosystem?
temperature, pollution, natural disasters
15
Name an example of group behaviors that show animals working together to get food.
Dolphins trap a school of fish, wolves howl to signal it is time to hunt,
15
Samara has brown eyes and small earlobes. She has _______ these traits.
inherited
15
A fire has burned down a forest. Name two ways this changes the forest ecosystem.
Some animals will leave, some will adapt
15
A caterpillar goes through _______ and looks completely different by the time it is an adult.
metamorphosis
15
Some animals _______, or move to new areas at certain times of the year.
migrate
15
To survive and do well, an organism must live in a(n) _________ that meets its needs.
environment
15
Plants react to the environment. A plant may shed its leaves if it doesn't get enough _______.
water
15
A green plant near a window may begin to lean toward the _______.
sunlight
15
Differences among offspring are _______ .
variations
15
Something known without being taught is a(n)
instinct
15
What includes all of the living and nonliving things in an organisms environment