Describe five threats to the estuarine ecosystem.

The answer to the question

In active transport, molecules can be moved against their concentration gradient, what is required for this type of transport to take place?

Describe these 4 major events: pulmonary ventilation, external respiration, cardiovascular transport & internal respiration. Which uses diffusion vs. bulk flow? Know the bulk flow equation. What determines resistance?

The four major factors affecting weather are: temperature seasons ice wind pressure moisture

The sac inside a plant cell where water wastes and food are stored is called

A student claims that cellular respiration is essential to cells so that they have a means for getting rid of excess carbon dioxide. What is wrong with his statement?

When and where was the possibility of growing thornless varieties of plants discovered?

Describe Andesitic Lava: What is it's viscosity and what is it mostly composed of?

Be first to answer and will get brainliest and 10 pts Summarize the two stages of cellular respiration. Be sure to explain where in the cell each stage occurs. the two stages are cytoplasm and mitochondrion

What do we call an individual that has one dominant and one recessive allele for a trait?