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What role does the esophagus play in the digestion of food?
The esophagus has muscles that push food into the stomach.
Reproduction is the process by which an organism
makes more organisms of the same species.
What is a organism
an individual animal, plant, or single-celled life form.
define germinate
to begin the growth of a new plant from a seed
A distinct way in which an organism interacts with its environment
what is behavioral trait
The respiratory system is the body system that
brings oxygen into the body and removes carbon dioxide.
Burdock seeds have what that gets caught in the fur of animals and carried long distances to the parent plant ?
HOOKS
a measure of the average kinetic energy of particles of a substance.
What is temperature
Which two systems deliver oxygen to the muscles?
You must say both!
The respiratory system and the circulatory system
the body system made up of organs that break down food into substances that can be absorbed and used for energy and gets rid of the remaining solid waste that cannot be absorbed
digestive system
a boundary between a cold air mass and a warm air mass that is not moving
stationary front
Muscles connect to bones with structures called _______.
Tendons
A body system is a group of organs that
work together to perform a particular function in the body.
define excretory system
the body system made up of the organs that get rid of waste.. ....Getting ride of waste
All living things have features that help them survive in their environment, which are called
Traits
Define model
a representation of something in the real world which makes important aspects easier to observe and hides unimportant aspects
define courtship behavior
a way of acting that will help an animal attract a mate
The circulatory system consists of the
heart and blood vessels.
The requirements that must be met for an engineering solution to be successful
what is criteria
The limitations on an engineering solution
Constraint
what does the muscular system do ?
causes movement when muscles contract
define reproduction
Reproduction the process by which an organism makes more organisms of the same species
The reproductive system is the body system that
allows adults to produce offspring.
What are the two functions of the female reproductive system
to produce eggs and to protect a developing fetus
the body system made up of the heart and blood vessels that circulate blood through the body
circulatory system