Select the true statement. Cells, tissues, and organs all work together to make up
organ systems.
The smallest and simplest systems within organ systems
are the organs.
Organ systems work independently from the rest of the
body.

PLEASE HELP ILL GIVE BRAINLEST

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast