The ecosystem shown in the diagram above is composed of 1) The living organisms interacting together

2) The living organisms interacting together with the other biotic components.

3) The living things interacting with each other and the abiotic components.

4) The living Thing interacting with the dead things.

Which pH value indicates the most acidic condition?

A) 1.6

B) 2.1

C) 7.3

D) 11.1

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

Maria wanted to grow a fern in her backyard. acting on a suggestion from a friend, she collected brown dots from the underside of a fern's leaves and then potted them. after a few days, maria saw small fern leaves erupting from the pot. which statement explains this phenomenon? a. the fern transitioned from gametophyte generation to sporophyte generation. b. the fern grew as a result of mitosis. c. the fern transitioned from sporophyte generation to gametophyte generation. d. the fern grew to be genetically identical to its parent plant.

Write the balanced chemical equation forphotosynthesis.