Unit 1
how study the types of changes that happen inside living organisms?
they use stains.
What are the basic structural units of all living organisms?
cells
which generations will have short plants?
The short trait will return in the second generation.
what organism in the fossil record is correct?
Life originated in the oceans.
what defines innate behavior?
an activity or behavior that occurs naturally in an organism
Which statement correctly defines ethics?
moral values
what identifies the theory that describes cells and how they operate?
cell theory
Which molecule is a pigment?
chlorophyll
what about life on Earth is right?
Flowering plants appeared later than conifers.
what defines learned behavior?
an activity or behavior that is acquired by an organism through experience
what would be the most effectively shown by a conceptual model?
the flow of matter and energy through an ecosystem.
what is a key point of cell theory?
Cells are the basic structural unit of all living organisms.
what explains how some parts of a plant can be white?
The white parts of a plant reflect all colors of light falling on them.
How are the ages of extinct organisms determined?
the concentration of radioactive atoms in their fossils.
what defines behavioral cycle?
a behavior that repeats at regular intervals.