(Q).
You are presented with the question "What compound or substance can frogs smell and taste?" and the following answer choices: - herbicide - hydrocarbons - Chemicals - Acids - acetic acid - an object - thirst - Pesticides Now knowing that amphibians have sense organs to smell and taste chemicals and frogs are the most durable of the amphibians, choose the best answer.
(A).
Chemicals

(Q).
You are presented with the question "What does an incubator help an egg to do?" and the following answer choices: - support - eat - motility - expand - reproduce - growth - survive - die Now knowing that an egg requires warmth to survive and sunlight and warmth are vital to the incubation of eggs and a successful hatch of fry, choose the best answer.
(A).
survive

(Q).
You are presented with the question "what type of trees have woody trunks?" and the following answer choices: - h2o - plants - sunflowers - cacti - evergreens - trees - graptolites - elephants Now knowing that most modern gymnosperms are trees with woody trunks and gymnosperms are the plants that are known as evergreens, choose the best answer.
(A).
evergreens