Chordates have a complete digestive system and a closed circulatory system, and because reptiles are vertebrates, they are chordates. Given these facts, what kind of circulatory system do reptiles have among the following options: - open - systemic - complex - dense - cold - three - closed - organ
closed

(Question)
Mutation creates new genetic variation in a gene pool, and genetic variation is the raw material for evolution. Given these facts, mutation in a gene pool is the raw material for what among the following options: - Most plants - animals - large litters - competition - Plants growth - many offspring - evolution - twins
(Answer)
evolution

Ques: The Earth revolving around the Sun causes the seasons to change on its axis, and gold, scarlet, and auburn leaves make a mosaic of rich colors heralding seasonal change. Given these facts, what factor is instrumental behind the change of leaf colors during the year among the following options: - 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).
Most plants continue to grow throughout their lives, and plants require nutrients for growth. Given these facts, what is required for growth through life among the following options: - Energy - Energy. - sunlight - heat energy - nutrients - oxygen - incubation - soil
(A).
nutrients

Ques:When water freezes , that water expands, and beets tolerate mild freezes. Given these facts, beets tolerate how much water expansion among the following options: - cooled - adapt - grow - Winter - heat - energy - growth - mild

Ans:mild

Plants detect and respond to the daily cycle of light and darkness, and flowers to be planted in between fruit plantings. Given these facts, what grows after detecting light among the following options: - the skin - Solar panel. - Flowers. - Light bulb. - seeds - Silk flowers. - vegetation - lmestone
Flowers.