Identify characteristic is used to determine whether an organism is a first or second level consumer?

Is a hamster and guinea pig part of the same species ?

Christie's doctor recommends that she eat 40 grams of protein a day. she's already consumed 50% of her protein recommendation for the day. how many servings of the given snack should christie have to meet her daily protein recommendation?

Actual age your first developed of age well comparison age refers to absolute age true or false