When animals have a mouth that has jaws and teeth made for crushing and grinding food into small particles. This process is called?
Mechanical digestion
An __________ digestive system has only a single opening for both taking in food and expelling wastes.
Incomplete
Animals that feed on plants are called _______
herbivores
______ has lots of energy-rich sugars in them so many animals will eat them.
Fruit
During ______ the stomach and intestines use chemicals to break down food molecules into nutrients.
Chemical digestion
Some animals can get energy from eating wood. Most of the time wood-eating animals are called?
Insects/Termites
_______ are animals that get most of all of their energy and nutrients from eating other animals.
Carnivores
_______ _______ have structures that are designed to strain tiny algae, protist or other food items out of the water.
Filter feeders
______ cells absorb food particles from the water flowing through a sponge.
Collar
A _______ will eat both plant and animal matter.
Omnivore
_________ eat dead animals.
Scavengers
Riding the body of cell waste products is called?
Excretion
Most animals have special organs that rid their body of cell waste. They work together as a part of an ________ _________
Excretory system
In vertebrates, blood travels through a ________ where wastes are filtered out.
Kidney
Getting rid of waste and carbon dioxide and transporting these things throughout their body is a process called?
Circulation
When multiple organs work together to do the job of moving wastes and carbon dioxide it is called ________ _________
______ pump blood through the system.
Heart
Blood circulates through the animals body inside closed _______
Fish have two-chambered hearts and a _____ ______ pathway for blood.
Single-cycle
Respiration is the job of an animals _______ _______
Respiratory system
Most insects have tiny openings along the sides of their bodies called?
Spiracles
Animals that spend some or all of their lives in water use _____ to exchange gases with their surroundings.
Gills
Apart from fish, most vertebrate animals respire using_____
Lungs
Air enters the nose or mouth of an animals and passes to the lungs through the _____
Trachea
The prefix hydro means?
Water