The proterozoic era is defined by the following events: eukaryotic cells first seen stable continents first bacteria fossils the cambrian explosion oxygen building up in atmosphere

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

What is the number of phosphates in an atp molecule

Which of the following situations describes a adaptation for a mole? question 2 options: a mole is blind and cannot see underground. a mole is bright and attracts the attention of predator birds. a mole has a sensitive sense of smell to it find food underground.