Igneous rocks are crwated by heat and pressure they form from lava of the crust surface from melting rocks from the mantle forming bt the cooling and molten magma on earth's surface
You could record how much they eat how many times they swim around in a day you could weigh your species of fish.
Plankton exists near the bottom of the ocean's food chain and provides nutrition for whales, shrimp, snail, and jellyfish. Plankton also plays an important role in the carbon cycle by removing inorganic carbon dioxide due to photosynthesis.
A carpel on a typical flower is located on the bud tips, what I mean is that where the stamen is nearly right beside it is the carpel. A carpel is like the reproductive organism of a flower.