Which statement is true of producers?

a

They produce most of the carbon dioxide in ecosystems.

b

They provide most of the energy in ecosystems.

c

They fix most of the nitrogen in ecosystems.

d

They consume most of the biomass in ecosystems.

Lipids and proteins are both types of what? O A. Elements O B. Atoms O C. Carbohydrates O D. Macromolecules

Suppose we have a pea plant with purple flowers, determined by the dominant allele p. how might you determine whether the plant is homozygous (pp) or heterozygous (pp) ?

What are plasmids? enzymes that cut DNA enzymes that bond genetic material together small rings of bacterial DNA simple organisms with only one chromosome

In the somatic cells of a certain animal species, 30 pairs of homologous chromosomes are present. How many chromosomes will be found in the first polar body?

How far away is the sun from earth

Which structure in the neuron transmits information to another neuron? a. cell body b. dendrite c. axon d. terminal branches?

Why does it matter if Osmosis is put into a "scab" or a "nosebleed?" Where would that leave him?

Why are green algae similar to green plants? A. They can have more than one nucleus in each cell. B. They have chloroplasts and store food as carbohydrates. C. They reproduce by spores. D. They both have peptiglycan in their cell walls.

Why rapid binge drinking is more dangerous than slower consumption of alcohol?

Is a blue whale, rosebush, mushroom, algea, or pine tree a heterotroph or auto troph