The Earth being tilted on its axis causes ones side of the Earth to receive less energy from the Sun than the other side, and seasons result from variations in the amount of the sun's energy hitting the surface. Given these facts, what is a result of Earth being tilted on its axis among the following options: - The seasons - global warming - Gravity - Weather - Day and night - climate - temperature - autumn
The seasons

Mollusks are invertebrates such as the common snail, and snails are protected by a hard shell on their backs. Given these facts, what are some invertebrates protected by on their backs among the following options: - fur - parasites - barnacles - shells - coats - bones - bushes - Epidermis
shells

Q: Vertebrates are all chordates that have a backbone, and fish are the first known true chordates. Given these facts, what was the first known animal with a backbone among the following options: - pigs - Birds - sharks - Elephant - Dog - Fish - Human - Man
A: Fish

Question: Phytoplankton are bacteria and algae that use sunlight to make food, and plants have a very clever way of using the energy from sunlight to make their food. Given these facts, phytoplankton have a clever way of making food from what among the following options: - sunlight energy - water energy - heat energy - heat produced - chemical energy - mechanical energy - organic matter - refraction of light
Answer: sunlight energy

*Question*
Plant reproduction requires pollination, and most plants are either insect pollinated or wind pollinated. Given these facts, what causes pollination among the following options: - Bees - wind - roots - coffee - Oak - sunlight - animal - water
**Answer**
wind

*Question*
Vein deposits of gold and silver are formed by igneous intrusion, and veins of Gold ore most commonly occur in cracks and fissures in igneous rocks. Given these facts, where are deposits of gold found among the following options: - In sediment - kalenchoes - fissures - rocks - mines - coral reefs - inactive - calcite
**Answer**
fissures