If reptiles have a closed circulatory system, then what kind of circulatory system do reptiles have? Answer choices: - open - systemic - complex - dense - cold - three - closed - organ
closed

(Question)
If mutation in a gene pool is the raw material for evolution, then mutation in a gene pool is the raw material for what? Answer choices: - Most plants - animals - large litters - competition - Plants growth - many offspring - evolution - twins
(Answer)
evolution

Ques: If earth's orbital motion around the sun is key to the leaves of many trees changing colors, then what factor is instrumental behind the change of leaf colors during the year? Answer choices: - organisms and their habitat - global warming - Earth orbiting the Sun - Solar energy - scattered light - Greenhouse gases - Varying light output from sun - Moon orbiting the Earth
Ans: Earth orbiting the Sun

(Q).
If nutrients are required for growth throughout their lives, then what is required for growth through life? Answer choices: - Energy - Energy. - sunlight - heat energy - nutrients - oxygen - incubation - soil
(A).
nutrients

Ques:If beets tolerate mild water expansions, then beets tolerate how much water expansion? Answer choices: - cooled - adapt - grow - Winter - heat - energy - growth - mild

Ans:mild

If flowers detect light and darkness, then what grows after detecting light? Answer choices: - the skin - Solar panel. - Flowers. - Light bulb. - seeds - Silk flowers. - vegetation - lmestone
Flowers.