Living Things
Do living things need to meet all 8 characteristics of living things?
Yes
What are constants in an experiment?
A snake shedding his skin is an example of which characteristic?
Grow and Develop
What do we call a single-cell organism?
Unicellular
What is an educated guess called?
Hypothesis
All living things are made of...
CELLS!
What is the difference between control group and experimental group?
control group = everything stays the same
experimental group = variable has been changed
Drooling is an example of which characteristic?
Response to Stimuli
I eat pizza! Am I a heterotroph or autotroph?
heterotroph
I'm a flower! I make my own food! Am I a heterotroph or autotroph?
Autotroph
When a plant takes in carbon dioxide and releases oxygen, this shows the characteristic of...
Exchanging Gas
How does daily exercising affect a person's heart rate?The heart rate is the Dependent Variable or Independent Variable?
Dependent Variable
Sweating is an example of which characteristic?
Excreting Waste
When an organism creates more of its own species it can use a mate, or in some instances, it can make an exact copy of itself by itself.
What is an example of an abiotic factor?
Rain; temperature; sunshine
Animals eat food and plants absorb sunlight. They then use the result to do the daily functions of life. This is an example of which characteristic?
Using Energy
A student wanted to test how the mass of a paper airplane affected the distance it would fly. Paper clips were added before each test flight. The mass is the Dependent Variable or Independent Variable?
Independent Variable
Shivering is an example of which characteristic?
Response to Stimuli
biotic = living
abiotic = nonliving
What are the main resources a habitat will provide?
Food, water, shelter, and space
What is the difference between sexual and asexual reproduction?
Asexual reproduction -- there is only one parent and the offspring looks the same
Sexual reproduction -- there is only one parent and the offspring looks the same.
What is the question that should be answered by the lab?
The Purpose
The opening and closing of flower petals shows which characteristic?
Movement
What is a stimulus?
a stimulus is a change in a living thing's internal or external environment
Inside a greenhouse, 3 of the same type of tree are kept at 3 different humidity levels. These are left for 3 years. One tree is left outside in normal conditions. The heights of the trees are measured once a week. What is the dependent variable, experimental group, and control group?
Dependent Variable -- heights of the trees
Experimental Group -- trees at different humidity
Control Group -- tree left in normal conditions