You are presented with the question "What is one way animals learn to behave?" and the following answer choices: - garbage - Generating heat - Space travel - running and lifting - Time and energy - exercise - money - Riding a bike Now knowing that playing is one way mammals and other animals learn how to behave and involvement in play takes time and energy, choose the best answer.
Time and energy
(Question)
You are presented with the question "What converts oxygen in water into oxygen in blood?" and the following answer choices: - sharks - germs - Enzymes - starfish - rivers - Jellyfish - streams - a fish Now knowing that breathing is when a gill converts from oxygen in water into oxygen in blood and gill slits form gills in fish, choose the best answer.
(Answer)
a fish
Ques: You are presented with the question "marine and benthic species use pheromones to what?" and the following answer choices: - seed dispersal - produce offspring - life-sustaining - float underwater - defense mechanism - arm each other - communicate with each other - live in marine bays Now knowing that echinoderms use pheromones to communicate with each other and all echinoderms are marine and benthic, choose the best answer.
Ans: communicate with each other
(Q).
You are presented with the question "what occurs when sperm swims to an egg inside an archegonium>" and the following answer choices: - h2o - pollen - sperm - Energy. - competition - pregnancy - allow growth - death Now knowing that fertilization occurs when sperm swim to an egg inside an archegonium and if the egg is fertilized, it can implant in the uterus and cause pregnancy, choose the best answer.
(A).
pregnancy
Ques:You are presented with the question "Which of the following can process the movement of charges into light and heat energy?" and the following answer choices: - Unplugged refrigerators - Firecrackers - energy - our nearest star - Melted candles - kinetic energy - Light bulbs - Burning stoves Now knowing that some light bulbs convert electricity into light and heat energy and electricity requires the movement of electrical charges, choose the best answer.

Ans:Light bulbs
Question: You are presented with the question "what is natural?" and the following answer choices: - Spruce - artificial sweetener - aging - wetland - fake purses - wind - imitation crab - Light Now knowing that aging is associated with the death of cells and cell death is natural, choose the best answer.
Answer:
aging