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

Which organisms convert nitrogen into a form that is usable by humans? A. Omnivores B. Algae C. Bacteria D. Plants

How much bigger are eukaryotic cells than prokaryotic cells?

Which bodies of water cannot support zebra mussels

ome fruit flies are born with curly wings which makes them unable to fly. It has been shown that curly wings are caused by a dominant gene which can be represented by the symbol W, while the recessive normal wing gene is represented by the symbol w.

This gas is formed when nitrogen oxides react with a group of air pollutants known as reactive organic substances in the presence of sunlight. It's presence in the stratosphere is protective but can be toxic in the troposphere.

One cell that undergoes meiosis will yield how many independent cells

What type of macromolecule is the sugar fructose?

DNA uses, while RNA uses.

How does pollution affect land, air, and water?

Would you expect the other pairs of students in your class to have an offspring similar to yours