Fact 1: Staying warm has a positive impact on an animal 's survival. Fact 2: Effective insulation is the way to keep the warm air warm. Given the two facts above, answer the question "Effective insulation has a positive impact on an animal's what?" with the following options: - heat energy - survival - water - food - growth - ideas - Energy. - energy
survival

Fact 1: Adult sponges produce eggs and sperm. Fact 2: Sexual reproduction involves sperm and an egg. Given the two facts above, answer the question "what reproduces sexually?" with the following options: - insects - h2o - Most plants - Plant reproduction - viruses - adult sponges - mold - spread flower seeds
adult sponges

Q: Fact 1: Insulin is a hormone that helps cells absorb sugar from the blood. Fact 2: An example is insulin that is produced by the pancreas. Given the two facts above, answer the question "What produces a hormone that helps cells absorb sugar from the blood?" with the following options: - sweating - the ribs - the pancreas - the lungs - peachleaf willow - mammals - insulin - humans
A: the pancreas

Question: Fact 1: Nectar is used for attracting pollinators by plants. Fact 2: The birds enthusiastically sought nectar. Given the two facts above, answer the question "What helps pollinates plants?" with the following options: - Birds - A quiet location - animals - Bats - A sandy ground - Severe thunderstorms - insects - Bees
Answer: Birds

*Question*
Fact 1: Contact between rocks over long periods of time causes rocks to smooth. Fact 2: Because of the big wave action, the rocks are very smooth. Given the two facts above, answer the question "What causes contact between rocks?" with the following options: - wind - heat - erosion - deltas - waves - motion - seasons - rivers
**Answer**
waves

Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Vertebrates have a closed circulatory system. Given the two facts above, answer the question "What group of animals do chordates belong to?" with the following options: - graptolites - more abundant - warm-blooded - four limbs - epidermal - Vertebrates - animals - insects
Vertebrates