Which level of organization is characterized by a group of cells that work together to perform a common function?

O

O

O

O

organ

tissue

organ system

organism

Small masses of neuron cell bodies located outside the cns are called?

The main organ of the respiratory system is the.

What is the cause of the "red tide"? a large oil or gasoline spill gives the water its reddish color the blood from fish or other marine animal in a massive "die-off" a sudden growth spurt or "bloom" in algae a toxic condition of the water cause by

How would the environment in space station affect plant tropisms

A type of stem cell that can grow into any type of body cell is totipotent. true or false

Why are the oceans becoming acidic? A) Because of global cooling B) Because of excess carbon dioxide in the atmosphere reacting with water and forming carbonic acid C) Because of the dissolution corals (calcium carbonate) D) Because of alkaline rain

What is the possible genotype and phenotype for the dominant trait circular flower and recessive trait square flower

What is representative organism?

What multipies to get - 12 but also has a sum of 4

What is the relationship between stewardship and conservation?