which of the following pairs of structures are analogous? insect wing and bird wing, bat wing and dolphin flipper, horse leg and human forearm, hummingbird wing and seal flipper

What is the five-carbon sugar fond in dna

What do cells need to do between divisions to make sure that a full set of dna gets passed on to each daughter cell?

Which is a true statement about conifers? Conifers are flowering plants. Conifers have covered seeds. Conifers' needles lose water easily. Conifers release pollen grains.

Gametes are produced by the process of Question 17 options: crossing-over. meiosis. replication. mitosis.

Karina is looking at a group of cells under the microscope. The organism has many cells, each with a cell wall and green chloroplasts. It has a nucleus and membrane bound organelles. In which kingdom should this organism be classified?

Which would provide the body with the most energy? a. Carrying oxygen from the lungs to the cells b. Breaking the bonds in a disaccharide c. Breaking a single carbon bond d. Creating bonds to make a simple sugar

When water changes from a liquid on Earth's surface to a gas in the atmosphere, this is known as transpiration condensation evaporation precipitation

The most famous pioner colonial times

Can a theory change over time? If so, how?

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus