AP Biology: Unit 8 Review (CED)

Which of the following best describes altruistic behaviors?

• a defensive behavior in which organisms huddle all together

• a selfless behavior to save the population but risk yourself

• a protective behavior describing how organisms migrate

• a reproductive behavior for attracting a mate through a ritual

Tags

NGSS.MS-LS1-4

A fruit fly vibrates its wings to serenade a potential mate. Which of the following describes the type of behavior?

• audible

• tactile

• electrical

• chemical

Tags

NGSS.MS-LS1-4

A cheetah urinates on a tree. Which of the following types of signals is the cheetah using?

• visual

• audible

• tactile

• chemical

A cheetah urinates on a tree. Which of the following describes the purpose of this signal?

• indicate dominance

• establish territory

• find food

• ensure reproductive success

Which of the following best describes the body temperature regulation for an alligator?

• ectotherm that maintains body temperature through metabolism

• ectotherm that maintains body temperature through behaviors

• endotherm that maintains body temperature through metabolism

• endotherm that maintains body temperature through behaviors

Which of the following best describes the relationship between metabolic rate per unit body mass and the size of multicellular organisms?

• the smaller the organism, the higher the metabolic rate

• the larger the organism, the higher the metabolic rate

• the higher the surface area to volume ratio of the cells, the higher the metabolic rate

• the lower the surface area to volume ratio of the cells, the higher the metabolic rate

Which of the following best describes the changes to the trophic structure with a decrease in plant population?

• increase in primary and secondary consumers

• decrease in primary and secondary consumers

• decrease in secondary consumer, increase in primary consumer

• increase in secondary consumer, decrease in primary consumer

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-4

Which of the following describes the energy resource used by chemosynthetic organisms?

• small inorganic molecules preset in their environment

• organic molecules broken down by the mitochondria

• photons absorbed by chlorophyll in the chloroplast

• air movement turns hairs on organismal surface

Tags

NGSS.HS-LS2-3

Which of the following is a material that heterotrophs are unable to metabolize?

• carbohydrates

• nucleic acids

• lipids

• proteins

In a population of 100 individuals, 20 individuals are born and there are 5 deaths. What is the r value?

Recall: r = per capita growth rate of population

• .05

• .15

• .20

• .25

Tags

NGSS.HS-LS2-2