In 2004 a fossil of an organism that had fins and gills but also lungs and wrists was discovered what might the fossil suggest about evolution

Climates are classified according to which two major factors?

Where should the origin of the water vascular system be placed on the phylogenetic tree?

Rodents can be found in all of the following continents except:

Which statements describe incomplete dominance? Traits are usually dominant. Traits are neither dominant nor recessive. Offspring exhibit an intermediate form of alleles from the parents.

In Trial 1, you will use 0.50 g of aluminum, and in Trial 2, you will use only 0.25 g. Why will you vary the amount of aluminum?

Why is the equator warmer than the north and south pole

Recognize and use signal words, Assignment Signal words let you know what's coming next in a sentence. Signal words show relationships between ideas. Use the drop-down menus to identify the signal words in each sentences.

Which processes are caused by convection currents in the mantle? Check all that apply. 1. earthquakes 2. ridge push 3. tsunamis 4. slab pull 5. volcanic eruptions 6. subduction

Imagine that you are studying the food preferences of a lizard species across its range. you have hypothesized that because these populations are fairly separate from one another, the lizards have evolved different food preferences.

An animal cell (left) and a plant cell (right) are shown. Which organelle labeled x in the diagram is found in both plant and animal cells