An ecosystem with high species diversity will have

many individuals in a species

only a few mammals

many different types of species

many of the same species

If a bird is moving at a velocity of 70 km/h east and a car is moving at a velocity of 80 km/h east, what is the velocity of the bird relative to the passengers in the car? A. 10 km B. 10 km/h C. 10 km/h west D. 70 km/h east

What is the most common molecule in living things? A. H2 B. CO C. CO2 D. H20

Which statements describe crossing over? increases genetic variation across gametes occurs between homologous chromosomes separates chromosome pairs into gametes occurs between duplicated sister chromatids

Expalin why a child can have sickle anemia even if neither parent has the disease

Which does the letter A represent in the diagram? A centriole B) is elminated C centromere D spindle

Which of the following correctly describes the general trend in hominid evolution? A. larger body size, broad forehead, smaller brains B. increase in brain capacity, bipedalism, use of tools C.

One pound of body fat is equivalent to approximately calories

Identify where each of the events occur within a eukaryotic cell during cellular respiration. Each cellular location may be used once, more than once, or not at all.

The relative highness or lowness of sounds produced by the human voice is called

Which organelle is present in the cells of a bean plant but not in the cells of a mouse?