Macromolecules containing hydrogen oxygen nitrogen carbon phosphorous

Describe the structure of a nucleotide

Gives a 2 word specific name to all living things

Why was the discovery of a natural clock so important

What do freshwater flatworms use to remove excess water from body fluids? a. flame cells b. nephridia c. excretory pores d. kidneys

What features or variables of the plant leaves might affect the rate of photosynthesis?

A substance is on its fifth half-life. Which approximates the percentages of radioactive and stable isotopes, respectively? 96.9%; 3.1% 3.1%; 96.9% 12.5%; 87.5% 87.5%; 12.5%

Cephalopods are known for having highly developed nervous systems which includes a highly developed eye and the ability to change their coloration. Provide two ways that this is beneficial for organisms in this class.

What is cellular respiration and fermentation?

Why do fertilisers need to be soluble

Viruses, unlike bacteria, are not living organisms. Based on the information in the table, which of the following provides evidence to support this statement? A. Bacteria are made up of cells, whereas viruses are not made up of cells. B.