1.1
An action by an organism causing a change of position.
Movement
Removal of toxic material and excess substances from organism.
Excretion
Maintenance of a constant internal environment.
Which vocabulary word ?
Homeostasis
What happens to your blood vessels when the body temperature rises?
Blood vessels dilate (open)
Which gland is located on the hair follicle?
Oil gland
The process in which new organisms are created.
Reproduction
Taking in of materials for energy, growth and development.
Nutrition
Feedback that stabilizes a process by reducing the output.
Negative feedback
Why do mammals sweat ?
A) Cool the body
B) Lose water vapor
C) Release energy
D) Remove glucose from the blood
A) Cool the body
What is the purpose of fat in our skin?
insulation
The ability to detect and respond to changes in the environment.
Sensitivity
The plant Mimosa pudica has leaves that fold when touched.
This demonstrates which characteristics of life ?
Movement
Sensitivity
Feedback that accelerates a process.
Positive feedback
Which organ produces a hormone?
A) Heart
B) Lung
C) Ovary
D) Spinal Cord
C) Ovary
Which is the acronym for the 7 characteristics of life ?
Mrs.Gren
A permanent increase in size.
Growth
True or false
Cellular organization is a characteristic of organisms, all of which are conventionally composed of cells as they are the basic component of life.
True
Provide one example of negative feedback.
Blood calcium regulation
Body temp regulation
Blood sugar regulation
Adrenaline slows down your breathing rate and pulse
True or false
False
Define sweat.
Water loss through the skin to cool down the body.
The chemical reaction in cells that breaks down nutrient molecules and releases energy.
Respiration
Some lizards detach their tails when threatened by a predator.
Which characteristic of life is shown here ?
A- Excretion
B- Growth
C- Reproduction
D- Sensitivity
D- Sensitivity
Give one example of positive feedback.
Child birth
blood clots forming
lactation
Which part of the eye connects our eyes to our brain ?
A) Iris
B) Pupil
C) Retina
D) Optic Nerve
D) Optic Nerve
Define shivering.
Contraction of muscles to keep heat inside of body.