Cells
What is the basic structural and functional unit of living organisms?
The cell
Which system CIRCULATES blood through the body to supply oxygen and nutrients?
The circulatory system
What is an animal that eats other ANIMALS?
A carnivore
This biome is receives the smallest amounts of rain each year.
The desert
What celestial body is at the center of our solar system?
The Sun
What is a structure inside a cell that performs a specialized function?
An organelle
Which system breaks down food for the body?
Digestive system
What is an organism that transforms energy from the Sun and uses carbon dioxide and water to make food?
A producer
This biome is typically located near the equator, has high levels of biodiversity, and receives the largest amounts of rainfall each year.
The rainforest
Which planet is closest to the Sun?
Mercury
Where is the DNA stored in a cell?
In the nucleus
Which system filters and removes fluid waste materials from the body?
Excretory system
What is a single linear path, showing the flow of energy from the Sun to a producer and through different levels of consumers?
A food chain
This biome makes up about 70% of Earth's surface.
The ocean biome
If a scientist is collecting rocks on the moon, what is needed to maintain a normal body temperature?
A spacesuit
Which organelle is the power factory of the cell?
The mitochondria
Which system regulates the body by secreting hormones into the bloodstream?
Endocrine system
What is a system comprising all the biotic and abiotic factors in an area and all of the interactions among them?
An ecosystem
This biome is the coldest of all the biomes on Earth.
The Artic Tundra
If an astronaut wants to go to sleep in zero gravity, what is needed to prevent the astronaut from floating around in their sleep?
Velcro or sleeping bags that have restraints to strap the astronaut down.
Which 2 organelles are only found in plant cells, NOT animal cells?
Which system protects the body from external damage and water loss?
Integumentary system
What is the number of different species of plants and animals in an area?
Biodiversity
This biome is cold, dry, and has a layer of permafrost on the ground year round.
The Alpine Tundra
What is the condition in which people or objects appear to be weightless?
Microgravity