Which best contrasts flocking and schooling? Flocking provides aerodynamic efficiency and schooling provides hydrodynamic efficiency. Flocking provides protection and schooling provides hydrodynamic efficiency. Flocking provides aerodynamic efficiency and schooling provides foraging benefits. Flocking provides reproductive benefits and schooling provides foraging benefits.

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Which gas prevents the spread of fire and extinguishes it? is a type of compressed gas that prevents the spread of fire and extinguishes it.

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of . cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of .