What is pollen formation and where does it occur?

Which of these statements is correct about the Theory of Natural Selection? It was accepted after evidences were proved non-testable. It was proposed after several science magazines published it.

Select all the correct locations. Identify the arrows that show the movement of carbon from the biosphere to the atmosphere in the carbon cycle.

What does it mean for a cell membrane to be selectively permeable? A. It allows some substances to pass through but blocks the passage of others. B. It allows only water molecules to pass through.

Which type of volcanic mountain has wide, gentle slopes? Rift Shield Composite Cinder cone

Every time a child visited a cousin who has two cats the child eyes turn red, itch and began to water then the child began to have trouble breathing. It is most likey that the child reacted this way because

Compounds are made up of electrons cells molecules protons

What organelle do both prokaryotic and eukaryotic cells have in common? What does it do?

how does drooping the sticks on the table and transcribing the letters on the sides facing up follow mendel's law of segregation

What properties you would like to see in an ideal preservative use in foods?

Write a description of the ecosystem, including biotic and abiotic factors, in no more than 4 sentences