Which best describes the statements below?*
1. Bees pollinate plants as they move from flower to
flower gathering nectar.
2. Green algae grow on the backs of spider crabs living
in shallow water, camouflaging the spider crabs
while the crabs protect the algae from predators.

A. 1 is mutualism and 2 is Commensalism

B. 1 is commensalism and 2 is mutualism

C. 1 is mutualism and 2 is competition

D. Both are mutualism

Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.

Time ! for a smell to begin the process of registering in your brain, first you must a) inhale odor molecules into the nasal cavity b)transduce scent chemicals c)have a scent to inhale d)all answers can work

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation