1
What is another word for living things?
Biotic
All organisms need ________ in order to survive.
a. oxygen
b. the ability to move
c. a source of energy
d. carbon dioxide
c. a source of energy
What is another name for position on a position/time graph?
distancd
What is another word for nonliving things?
Abiotic
What type of muscle is your heart made of?
cardiac muscle
When a fungus lives in the roots of a plant and helps the plant absorb nitrogen and phosphorus from the soil, the type of relationship between the plant and fungus is ___________.
a. mimicry
b. commensalism
c. mutualism
d. parasitism
c. mutualism
What are the main organs of the nervous system?
Brain and spinal cord
What are the main organs of the respiratory system?
lungs, trachea, nose
Which organisms feed on dead plant and animal material?
decomposers
The heart contracts and expands to circulate ________ throughout the body.
blood
Which of the following events can quickly change the terrain of a forest?
a. a heat wave
b. humans clearing trees
c. a rain storm
d. a lunar eclipse
b. humans clearing trees
What are the major organs of the circulatory system?
heart and blood vessels
The function of the respiratory system is to __________.
a. allow air to enter and waste gases to exit the body
b. support and protect the body
c. excrete solid and liquid waste from the body
d. digest food for energy and nutrients for the body
a. allow air to enter and waste gases to exit the body
Which land ecosystem has the widest variety of life?
Rainforest
Inside the ________, food it mixed with acids and other chemicals to help further break down food during the digestion process.
a. bladder
b. stomach
c. kidneys
d. esophagus
b. stomach
Which type of blood vessels return blood back to the heart?
a. arteries
b. veins
c. neurons
d. alveoli
b. veins
The heart acts like which of the following in order to move blood through your body?
a. scoop
b. magnet
c. pump
d. straw
c. pump
Which two systems work together to get nutrients into the blood and distribute the nutrients to your cells?
digestive and circulatory
Which system help get nutrients into the blood?
a. circulatory
b. muscular
c. digestive
d. respiratory
c. digestive
What sticky liquid builds up in your muscles when they begin to run out of oxygen?
a. mucus
b. bile
c. lactic acid
c. lactic acid
Which system carries oxygen from the lungs to other cells in the body and removes carbon dioxide?
The circulatory system
When an external signal, such as the smell of smoke, wakes you up from a deep sleep what is happening in your body that causes you to wake up?
a. The smell of the smoke sent a signal through your blood cells to your brain
b. The temperature was too cold for you to sleep
c. Your stuffy nose woke you up
d. The smell of the smoke sent a signal through your nerves to your brain
d. The smell of the smoke sent a signal through your nerves to your brain
What is a relationship between two organisms where both organisms benefit?
a. commensalism
b. mimicry
c. camouflage
d. mutualism
d. mutualism
What organisms only eat other organisms?
carnivores
What type organisms eat both producers and consumers?
omnivores