The body system that breaks down food into usable nutrients is what system?
Digestive system
The group of drugs that includes alcohol is?
Depressants
Some hoofed animals are known for their head extensions of dead bone without a covering? (Deers)
Antlers
An originally created type of organism is?
Kind
A sensible but untested explanation for a scientific problem is?
Hypothesis
The layer of skin directly above the dermis is?
Epidermis
Commonly abused hallucinogen in the U.S.?
Marijuana
The dormant state that some mammals enter in the winter?
Hibernation
The largest part of the human brain is?
Cerebrum
The lower chambers of the human heart is called?
Ventricles
A disease caused by pathogens is what disease?
Infectious
A tigers stripes allows it to hide from its prey is an example of?
camouflage
A respiratory structure that is unique to mammals is the?
Diaphragm
The French scientist who used broth & flasks to disprove spontaneous generation?
Louis Pasteur
Mammals whose young develop in a uterus or womb are?
Placental
Physical activities that strengthen the heart & lungs & burn fat is what activities?
Aerobic
The idea that evolution occurs in rapid burst separated by long periods of time?
Punctuated Equilibrium
Group of marine mammals with comb-like plates for capturing food?
Baleen whales
The belief that present is the key to the past?
Slow-moving animal with large claws?
Sloth
The system that controls the body functions & activities is what system?
Nervous system
Who wrote Origin of Species?
Charles Darwin
A tail that is capable of grabbing is what kind of tail?
Prehensile
Kangaroos travel in groups called?
Mobs
An animal that eats both plants & animals is?
Omnivore