When one gram of each of the following is oxidized, which yields the greatest amount of energy?
a) Sucrose
b) Glucose
c) Glycerol
d) Fat

This part of the some plants are colorful and attractive to insects
a) Anther
b) Stigma
c) Petal
d) Sepal

Which selects traits that will be passed on to the next generation in the greatest frequency?
a) Mendelian genetics
b) Random mutations
c) The environment
d) Fixed species

A group of cells that performs a similar function are known as
a) Tissues
b) Organs
c) Organ Systems
d) Organisms

Which of the following are NOT an example of two organisms in a mutualistic relationship?
a) Flowering plants and pollinators
b) Ants and acacias
c) Clown fish and sea anemone
d) Humans and malaria protozoan

The net movement of molecules from a high concentration to a low concentration is described by which of the following?
a) Diffusion
b) Active transport
c) Osmosis
d) Facilitated diffusion

Pollen is made here
a) Anther
b) Stigma
c) Petal
d) Ovary

The theory of evolution would predict that human DNA is most similar to that of :
a) Mammals
b) Primates
c) Vertebrates
d) Rodents

The Skin is an example of a(n)
a) Cell
b) Tissue
c) Organ
d) Organ system

When all vegetation is removed from a site by human activity or by natural forces such as volcanic activity, ____ species are the first to colonize the site.
a) Prokaryotic
b) Pioneer
c) Climax
d) Eukaryotic

The "backbone" of a nucleic acid molecule is made of..
a) Nitrogenous bases
b) Alternating sugar and phosphate groups
c) Purines
d) Pyrimidines

What cell type permits the continued growth of a plant throughout its life?
a) Differentiated cells
b) Ground tissue cells
c) Meristematic cells
d) Mesophyll cells

Structures which are homologous to important structures in other organisms but serve no purpose in the organism being considered are:
a) Analogous
b) Mutations
c) Vestigial
D) Homozygous

The aorta
a) is the largest artery
b) is the largest vein
c) contains blood with low pressure
d) connects right and left ventricles

If a wolf eats a rodent that ate a smaller insect that ate a plant, the wold would be a(n)
a) Autotroph
b) Primary producer
c) Secondary consumer
d) Tertiary consumer

Prokaryotic as well as eukaryotic cells possess :
a) Mitochondria
b) Ribosomes
c) A cytoskeleton
d) Chloroplasts

A fruit is a mature:
a) Integument
b) Embryo
c) Endosperm
d) Ovary wall

The first multicellular eukaryotic fossils were:
a) Algae
b) Fungi
c) Mosses
d) Archea

Plasma that leaks out of the blood in the capillary beds is returned to the venous circulation by
a) the small intestine
b) Suppressor B cells
c) the lymphatic system
d) the inflammatory response

As energy is consumed from the lower trophic levels, _____ percent of the energy is actually passed on from one trophic level to the other.
a) 5%
b) 10%
c) 100%
d) 50%

Which cellular component packages hydrolytic enzymes and forms lysosomes?
a) Golgi complex
b) Smooth ER
c) Mitochondria
d) Cytoskeleton

What is the function of endosperm?
a) It provides nutrients for developing flowers.
b) It supplies nuclei necessary for double fertilization
c) It stores food for the developing embryo in angiosperms
d) It is a source of nutrition for developing cones in

A long term, close relationship between two individuals of different species, which is beneficial to at least one of the individuals is
a) Predation
b) Hedonistic
c) Mutualism
d) Symbiosis

Where does most digestion occur?
a) Stomach
b) Mouth
c) Liver
d) Small intestine

Burning coal and oil to release energy also releases ____ which are overloading nutrient cycles of Earth.
a) Sulfur, carbon, nitrogen
b) Sulfur, oxygen, acid
c) Phosphorous, carbon, nitrogen
d) Oxygen, methane, sulfur