If starfish lack respiratory and excretory systems, then what kind of animal doesn't have a respiratory or excretory system? Answer choices: - a fish - bears - ant - whale - humans - starfish - mammals - llama
starfish

(Question)
If dogs require warmth for survival, then what requires warmth for survival? Answer choices: - ice cubes - Man - Whales - hydrogen - dogs - Birds - glaciers - humans
(Answer)
dogs

Ques: If magma solidifies into igneous rocks, then where do igneous rocks come from? Answer choices: - plates - earth - crust - calcite - magma - germany - oceans - heat
Ans: magma

(Q).
If refrigerators help prevent cold food from growing poisonous bacteria, then what prevents cold food from growing poisonous bacteria? Answer choices: - Dehydration - Cooking - a hydraulic system - sweating - refrigerators - fur and fat - an electric stove - hard outer covering
(A).
refrigerators

Ques:If chemical messengers control anti-aging, then what controls anti-aging? Answer choices: - A computer - air - chemical messengers - ice - an electric stove - Electrical energy - water - Chemical energy

Ans:chemical messengers

Ques:If hunting can harm a species population, then what does hunting do to a species? Answer choices: - Plant growth is reduced - Decreases population - protect them - cause their death - Creates demand for the species - Strengthens the species - massive damage - Increases population

Ans:
Decreases population