yes yes

Question 1

How small can you see through a light microscope?

Answer 1

500 nanometers

Question 2

Stages of photosynthesis

Answer 2

(1) absorption of light, (2) electron transport leading to the reduction of NADP+ to NADPH, (3) generation of ATP, and (4) conversion of CO2 into carbohydrates (carbon fixation).

Question 3

Identify the different blood vessels

Answer 3

arteries, veins, and capillaries

Question 4

Gas exchange in fish and insects

Answer 4

Fish and other aquatic organisms use gills to take up oxygen dissolved in the water and diffuse carbon dioxide out of the bloodstream. Some insects utilize a tracheal system that transports oxygen from the external environment through openings called spiracles

Question 5

Variables

Answer 5

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist.

Question 6

unicllular

Answer 6

Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism