Num ecossistema, existem relações alimentares muito variadas, que envolvem transferências de e de entre os seres vivos e entre eles e o meio abiótico. *

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

The cluster of developing cells from conception until birth is called an

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different