vocabulary
What is the definition of a stimulus?
A change that affects the activity of an organism
Name 5 characteristics of living things
what do almost all living things need to survive?
water, air, food, and a place to live
Name the two types of reproduction
asexual and sexual reproduction
What is a cell?
Membrane-covered structure that contains all the material needed for life.
Where do plants get energy
cells use ___________ in the air to release energy from food.
oxygen
the type of reproduction in which the offspring receives part of its DNA from each parent
sexual reproduction
Define homeostasis
the maintenance of a stable environment
organisms that cannot make their own food get energy from this
a single parent produces offspring that are identical to the parent through this process
asexual reproduction
Give an example of homestasis.
Appropriate Answer
sweating when it's hot; shivering when it's cold
When a unicellular organism grows, it does this
gets larger, and then divides
plants use ____________ in the air to make food
carbon dioxide
A unicellular organism splitting into two parts is an example of asexual reproduction known as . . . .
binary fission
When a multicellular organism grows, this happens
the number of cells in its body increases, and the organism gets bigger
What are the three things need for photosynthesis to occur?
Sun, water, and carbon dioxide
a new organism grows on the parent organism until it is ready to separate is known as this
what is budding