A pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of
(1) ribosomes
(2) minerals
(3) chloroplasts
(4) mitochondria
When two different bird species temporarily occupy the same niche, they would most likely
(1) change their nesting behaviors
(2) not affect one another
(3) interbreed to form a new species (4) compete with one another
Which group would most likely be represented in a food chain?
(1) biotic factors
(2) abiotic factors
(3) inorganic compounds
(4) finite resources
Which statement describes a similarity between all enzymes, antibodies, and hormones?
(1) Their chemical structure is critical to their ability to function.
(2) Their ability to replicate identical copies ensures continuation of the species.
(3) They work better at 100°C than 37°C.
(4) They are made by and carried by the blood