DNA is made up of:

4 chains of paired nucleotides

2 chains of 4 nucleotide groups

2 chains of paired nucleotides

none of the above

Why is the thermometer important to the sustainability of my hydroponic?

The diffusion of water across the selectively permeable membrane of an alga cell is called

You attempt to deliver a rescue breath to an unconscious adult. the breath does not go in. what is the next step in managing this case?

What type of data will they need to collect and what tools will most likely be used

Patti is passing on a mutated gene on her X chromosome. Why is her son more likely to express the mutation in his phenotype than her daughter is?

Are metamorphic rocks formed through sedimentation?

When Linnaeus began classifying organisms in the 1700s, he categorized them as plant, animal, or mineral. These kingdoms were later revised to exclude minerals and expanded to include animals, plants, fungi, protists, and bacteria.

There are four children in the Smith family. One child has blue eyes and blonde hair. The other three children have brown eyes and blonde hair. How can you explain the difference and I color?

The number of trophies levels in an ecosystem pyramid A) is limitless B) is limited by the amount of energy that is lost at each trophies level C) is impossible to count because energy is lost at each trophies level D) never exceeds three

Which of the following geometric shapes best represents the change in energy and change in biomass from one trophic level to the next?