Fact 1: Amphibians are the first true tetrapods, or vertebrates with four limbs. Fact 2: All frogs are amphibians. Given the two facts above, answer the question "The first tetrapods were" with the following options: - major threat to health - remains of prehistoric life - in the frog family - running and lifting - competing for resources - warm-blooded - objects that have mass - graptolites
in the frog family

Fact 1: Mammals have a layer of fat under the skin to help insulate the body. Fact 2: All whales are mammals. Given the two facts above, answer the question "what have a layer of fat under the skin to help insulate the body?" with the following options: - animals - dermis - humans - bears - whales - goats - insects - h2o
whales

Q: Fact 1: Nectar is used for attracting pollinators by plants. Fact 2: POLLINATION Pollination is essential for fruit production. Given the two facts above, answer the question "What can be essential for fruit production?" with the following options: - hormones - food - ribosomes - gene flow - nectar - Collagen - Enzymes - seeds
A: nectar

Question: Fact 1: Some birds are pollinators that co-evolved with plants. Fact 2: Hummingbirds are the most common bird pollinators. Given the two facts above, answer the question "Hummingbirds are what they are today as a necessary consequence of their relationship to what?" with the following options: - a feeder - humans - bees - survival - animals - Plants - Earth - weeds
Answer: Plants

*Question*
Fact 1: Webbed feet are used for moving faster through water by aquatic animals. Fact 2: Ducks generally have webbing on their feet. Given the two facts above, answer the question "What can move fast through water?" with the following options: - animals - squids - lead - sharks - ice - snails - ducks - rivers
**Answer**
ducks

Fact 1: Agreenhouse is used to protect plants from the cold. Fact 2: Inside a greenhouse, it is the glass roof that creates the warmth. Given the two facts above, answer the question "What can protect plants from cold?" with the following options: - keratin - habitat - trees - heat - glass - Light - fibers - peat
glass