Biology

In models of logistic population growth, A) the population growth rate slows dra

Started by penza

The Allee effect is used to describe a population that A) has become so small th

Started by penza

Carrying capacity is A) seldom reached by marine producers and consumers because

Started by penza

Which of the following causes populations to shift most quickly from an exponent

Started by penza

A type of bird similar to a chickadee learns to peck through the cardboard tops

Started by penza

Every morning at the same time, John went into the den to feed his new tropical

Started by penza

Learning in which an associated stimulus may be used to elicit the same behavior

Started by penza

A type of learning that can occur only during a brief period of early life and r

Started by penza

Which of the following is true about imprinting? A) It may be triggered by visua

Started by penza

If mayflies lay eggs on roads instead of in water, it would indicate which of th

Started by penza

A cage containing male mosquitoes has a small earphone placed on top, through wh

Started by penza

Through trial and error, a rat learns to run a maze without mistakes to receive

Started by penza

Karl von Frisch demonstrated that European honeybees communicate the location of

Started by penza

Research has shown that nocturnal animals navigate using A) olfactory cues. B) t

Started by penza

Displays of nocturnal mammals are usually A) visual and auditory. B) tactile and

Started by penza

Animals use pheromones to communicate A) reproductive readiness. B) species reco

Started by penza

Upon returning to its hive, a European honeybee communicates to other worker bee

Started by penza

Circannual rhythms in birds are influenced by A) periods of food availability. B

Started by penza

A chemical produced by an animal that serves as a communication to another anima

Started by penza

What type of signal is fast and requires daylight with no obstructions? A) olfac

Started by penza

) What type of signal is brief and can work among obstructions at night? A) olfa

Started by penza

What type of signal is long-lasting and works at night? A) olfactory B) visual C

Started by penza

The stretch receptors of the sensory neurons in the human knee-jerk reflex are l

Started by Millan

In the human knee-jerk reflex, as the calf is raised from the vertical toward th

Started by Millan

An organism that lacks integration centers A) cannot receive stimuli. B) will no

Started by Millan