Which of the following us an example of an open system?

An aquarium with both pants and animals

An enzyme found in deep ocean organisms that allows them to grow

A living single celled organism like phytoplankton

A river that has been dammed

Embryonic stem cells have show promise when used to treat certain diseases. Despite this, there are many people opposed to stem cell research based on ethical grounds

Recent work in classification of life on Earth has shown that what were once called prokaryotes are much more diverse than ever suspected.

Why is a chemical equation useful

Freckles is a dominant trait (FF or Ff), and the lack of freckles is a recessive trait (ff). A mother and a father who both have freckles; they are heterozygous for the freckles.

A patient with osteoporosis (reduced bone mass) may have a history of health issues. One issue could be not enough skin exposure to the sun to make Vitamin D. weak ligaments. an increase in the absorption of calcium in the digestive system.

8. What does Sl stand for?

When do the finches on the Galápagos Islands learn their songs? From whom do they learn their song?

A gardener is concerned that her greenhouse is getting too hot from too much light, and seeks to shade her plants with colored translucent plastic sheets, the color of which allows passage of only that wavelength.

During what major stage does a young child learn to trust?

Should people with dmd exercise