Cells are made of many different smaller structures called ___________.
What is organelles.
100
what is the main difference between plants and fungi?
A) Fungi can move from place to place.
B) Fungi have sense organs.
C) Plants make their own food.
D) Plants cells have cell walls.
What is C - plants make their own food.
100
Products of photosynthesis.
What is sugar and oxygen.
100
Which animal is warm-blooded:
A) shark
B) bullfrog
C) salmon
D) eagle
What is D - eagle.
100
Which structure in fish performs the same function as lungs in mammals?
A) gills
B) veins
C) fins
D) swim bladder
What is A - gills.
200
An advantage of sexual reproduction.
What is offspring share traits of both parents.
200
Plants produce nectar to___________________.
What is attract pollinators.
200
True or False: The purpose of an egg yolk is to feed the growing embryo.
What is true.
200
Which of the following is an example of a learned behavior?
A) An oriole builds a hanging nest.
B) A dog comes when it is called.
C) A baby takes its first breath.
D) A rabbit hides from danger.
What is B - a dog comes when called.
200
Which of the following is a biotic factor in a forest ecosystem?
A) soil
B) rocks
C) acorns
D) carbon dioxide
What is C - acorns.
300
Resources necessary to the survival of populations in an ecosystem.
What is limiting factor.
300
Forest butterflies are often brown. This helps them to _____________.
What is avoid predators.
300
Energy needed for the changes in the water cycle to take place comes from ______________.
What is the Sun.
300
What is the main difference between primary and secondary succession?
A) The climax of primary succession is pine forest.
B) Primary succession begins with bare rock.
C) Secondary succession includes frequent fires.
D) Secondary succession begins with lichen and mosses.
What is B.
300
The biome that supports the most animal life.
What is tropical rain forest.
400
Type of ecosystem that has both fresh and salt water.
What is estuary.
400
The Coriolis effect refers to a change in direction caused by ______________.
What is rotation.
400
A front is a place where __________________________.
What is two air masses meet.
400
Tornadoes begin to form inside of ________________.
What is thunderheads.
400
Factor that is most important in determining climate.
What is latitude.
500
Which is an example of the flow of heat through conduction?
A) Hot air rises to the top of a room.
B) A hot-air balloon rises into the sky.
C) Heat flows from a hot liquid to a pot handle.
D) Heat causes winds to blow from the water to the land.