Predator and Prey
If one species stays at 80 individuals from May through August, the population is:
Increasing
Decreasing
Constant
Extinct
Constant
Which includes both living and nonliving things?
Organism
Population
Community
Ecosystem
Ecosystem
Energy in most food chains begins with:
Decomposers
Carnivores
The Sun
Soil
The Sun
A tadpole breathes through gills and eats plants. As a frog, it breathes through lungs and eats insects. What changed?
Only its size
Only its color
Its niche and diet
Nothing changed
Its niche and diet
Which characteristic do fish have?
Feathers
Fins and gills
Fur
Lungs
Fins and gills
A butterfly population drops from 100 in April to 20 in August. What happened?
The population increased
The population decreased
The population stayed the same
The population doubled
The population decreased
A group of deer living in the same forest is called a:
Community
Ecosystem
Population
Biome
Community
In the chain
Sun -> Plant ->Butterfly -> Frog
The frog gets energy from:
The Sun directly
The plant
The butterfly
The soil
The butterfly
An owl that hunts small animals at night is acting in its:
Habitat
Niche
Biome
Population
Niche
Snake, fish, mouse, and bird all share which trait?
They have scales
They have feathers
They have backbones
They have fur
They have backbones
If the hawk population increases, what will most likely happen to the mouse population?
Increase
Decrease
Stay the same
Turn into predators
Decrease
Which organism is a producer?
Hawk
Grass
Frog
Fox
Grass
If two animals eat the same prey, they are:
Decomposers
Competitors
Producers
Scavengers
Competitors
Ospreys eat fish. Where would they most likely live?
Desert
Prairie
Near water
Mountains
Near Water
Roses and daisies are different because they may have different:
Methods of photosynthesis
Flower color and shape
Root purpose
Oxygen production systems
Flower color and shape
In a food chain:
Grass -> Rabbit -> Fox
If rabbits disappear, what will most likely happen to the fox population?
Increase
Decrease
Become producers
Eat grass
Decrease
Make food from sunlight
Hunt other animals
Break down dead organisms
Compete for water
Break down dead organisms
Which shows the correct energy flow?
Fox -> Rabbit -> Grass
Grass -> Rabbit -> Fox
Rabbit -> Grass -> Fox
Sun -> Fox -> Grass
Grass -> Rabbit -> Fox
A raccoon living inside a hollow tree is using the tree as:
Food
Shelter
Energy
Competition
Shelter