30 points

Choose all pairs of organisms that compete with one another for a food source.

Hawks and Foxes

Spiders and Mice

Rabbits and Squirrels

Snakes and Owls

Insectivorous birds and toads

Spiders and Predaceous insects

Hawks and herbivorous insects

Hawks and foxes

Rabbits and squirrels

Snakes and owls

Insectivorous birds and toads

Spiders and Predaceous insects

Explanation:

Hawks and Foxes: Both eat rabbits, squirrels, mice, seed-eating and insectivorous birds. They compete for food.

Spiders and Mice: Share no food. Do not compete.

Rabbits and Squirrels: Both eat grass. They compete for food.

Snakes and Owls: Both eat seed-eating and insectivorous birds. They compete for food.

Insectivorous birds and Toads: Both eat predaceous insects. They compete for food.

Spiders and Predaceous insects: Both eat herbivorous insects. They compete for food.

Hawks and Herbivores insects: Share no food. Do not compete.

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante