Mammals are social animals. Which of the following statements is correct? a. Herbivores such as zebras and dolphins live in herds. b. Adults in a herd surround and protect the young, who are most vulnerable to predators. c. Adult males in a pride hunt cooperatively, which is more efficient than hunting alone. d. all of the above
PLEASE HELP !What are relationships between species that are adapted to each other and may be mutually beneficial or involve exploitation called?A.competitionB.symbiosisC.logisticD.exponential
PLEASE HELP ! What happens in exponential growth as the population gets larger?A.the population grows slowlyB.the ecosystem grows fasterC.the ecosystem grows slowlyD.the population grows faster
Which relationship between the two species listed would be mutually beneficial?A) a fish and a leech B) a dog and a tick c) a flower plant and a beeD) a tree and a caterpillar PLEASE HELP
If all three populations were mixed together and placed at 37°C, which of the following would be most likely to happen? (A) Only the population evolved at 25°C would die and become extinct. (B) Only the population evolved at 35°C would survive and reproduce. (C) All the bacteria would die and the populations would become extinct. (D) All populations would grow, and transfer of genes would create one common population. (E) It cannot be determined from the information given.
The force of attraction acting between two objects is called a. Inertia b. universal gravitation c. Momentum d. Buoyancy
If two people are pulling against each other with forces of 500 Newtons and 600 Newtons, there is a/an? a. Balanced force b. unbalanced force c. Universal gravitation
The amount of energy entering a food chain depends on the (A) direction of energy flow in the system (B) efficiency of energy recycling in the system (C) biomass of carnivores and their efficiency in locating and capturing animal prey (D) biomass of heterotrophs and their efficiency in transforming plant tissue into animal tissue (E) biomass of autotrophs and their efficiency in transforming solar energy into chemical energy
The euglena possesses an organelle that synthesizes a polysaccharide for storage. This organelle is the (A) stigma (B) pyrenoid (C) eyespot (D) cytopharynx (E) oral groove
Which population has the highest fitness at 25°C ? (A) The population evolved at 25°C. (B) The population evolved at 30°C. (C) The population evolved at 35°C. (D) All populations are equally fit at this temperature. (E) It cannot be determined from the information given.
the offspring of most sexually reproducing organisms have two copies of each gene. One came from each what?
