Vocabulary
To grow fast and stay healthy
Thrive
Salty water
Brine
To remain living
Survive
Wind, rain, predation and earthquakes are all examples of ______________ which impact an ecosystem.
Natural Changes
A kangaroo rat has a very long tail, has small front legs, varies in color from dark gray to light brown, and has fur-lined cheek pouches in its mouth. It uses the pouches to store food, which also serves as the rat’s source of water.
Which adaptation of the kangaroo rat enables it to survive in the desert?
Mouth pouches for storing food
When animals move from place to place with a change in the weather
Migrate
The amount of a substance, such as salt, in an amount of another substance, such as water
Concentration
Tiny animals related to crabs and lobsters. Brine shrimp are found in salt ponds and salt lakes
Brine Shrimp
What is the relationship between range of tolerance and the optimum for an environmental factor?
A - The optimum is within the range of tolerance.
B - The range of tolerance is within the optimum.
C - Range of tolerance and optimum are not related.
D - Range of tolerance and optimum are the same thing.
A - The optimum is within the range of tolerance.
Which adaptation would help a population of kangaroo rats survive if it were moved to an environment with dark soil rather than light-colored soil?
A - Very long tails
B - Small front legs
C- Variation in fur color from dark gray to light brown
C- Variation in fur color from dark gray to light brown
Most favorable to growth, development, and reproduction of an organism
Optimum
To have offspring
Reproduce
The concentration of salt in water
Salinity
The first thing you need to do in a controlled experiment is ________.
Set up identical tanks/aquariums
A baby duck inherits its traits _____.
A - from both its mother and father
B - either from the mother or the father but not both
C - only from its father
D - only from its mother
A - from both its mother and father
A body of water that contains a high concentration of salt
Salt Lake
A characteristic that is passed down from generation to generation
Inherited Trait
Alive and able to grow
Viable
If organisms cannot adapt to the changes in their ecosystem, they may ___________________.
move to another location, become threatened, endangered or extinct.
Which of these behaviors does a dog learn from its environment rather than inherit from its parents?
A - Drooling while its owner prepares its dinner
B - Running to the front door when the dog’s owner picks up a leash
C - Shaking water off its fur after going swimming
D - Wagging its tail when it sees another dog
B - Running to the front door when the dog’s owner picks up a leash
The ability of an organism to survive under a given set of conditions
Tolerance
A set of compared investigations in which one variable is manipulated by steps while all other variables are controlled or kept the same
Controlled Experiment
The varying conditions of one environmental factor in which an organism can survive
Range of Tolerance
Organisms of the same kind differ a little bit in how they look and behave because _____.
A - The plants will benefit and get healthier, but animals will most likely die.
B - All of the organisms will become healthier.
C - Some organisms will die, and others will benefit from the change.
D - All of the plants and animals will die.
C - Some organisms will die, and others will benefit from the change.
Organisms of the same kind differ a little bit in how they look and behave because _____.
A - the environment determines how they look and act
B - there is variation within one kind of organism
C - inherited information is exactly the same from parent to offspring
D - organisms adapt to whatever surroundings they are placed in
B - there is variation within one kind of organism