Growth and Development
When single-celled organisms grow they ____ in size.
Increase
Organisms creating new organisms
Reproduction
A signal that leads to a response
Stimulus
A change over time.
Evolution
Science of living things
Biology
Do ALL organisms grow?
Yes
Offspring looks similar or identical to parent(s)
Inherited traits
Comes from the environment outside an organism.
External stimuli
A living and nonliving organism
Virus/parasite
What all living things are made of.
Cells
Multicellular organisms start as a…
Single-celled organism
2 parents make offspring.
Sexual reproduction
Comes from within the organism, ex) thirst
Internal stimuli
Reproduces after infecting a living organism
Parasite/virus
Cells are the ____ living units of an organism.
Smallest
Single-celled organisms divide repeatedly and change their order to perform different tasks.
Differentiation.
1 organism makes a new organism.
Asexual reproduction
Keeping temperature and water constant
Internal conditions
Viruses are parasites that cannot ____ on their own.
Live
The combination of chemical reactions a cell carries out.
Metabolism
Organisms need a constant supply of _____ to grow, reproduce and live.
Energy/materials.
The same for ALL organisms (with a few variations)
Genetic code/DNA
Process of maintaining internal conditions.
Homeostasis
Organisms evolve over time because…
It's necessary for survival in a changing world.
GRACE Acronym
Grow/develop
Reproduction
Adapt/evolve
Cells
Energy