Which of the following graphs best displays population size over time of an r-selected species that has just colonize a new habitat with abundant resources?

sounds good to me mate!

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.

answer; acquired mainly during early childhood;

answer; /// the statement is false,false,false;