Which of the following is an example of cooperation among organisms?
A.
Army ants link themselves together to form a "bridge" so that their colony can cross a stream.
B.
A flatworm attaches itself to the gills of a crab to obtain bits of the crab's food.
C.
Two cows graze upon the same pasture.
D.
A fly gets caught in a spider's web but escapes before being eaten.

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

Rue or false siblings look simila rbecause they each have some traits of their parents.

Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that: