Answer:
d. cells
cardiac tissue are made up of cells.
Eukaryotes are normally much larger in size than any prokaryotes considering a eukaryotic organism contains a nucleus and other organelles that are enclosed by the cell membrane, which prokaryotic organisms do not contain a nucleus nor organelles from the cell membrane
Answer:
<h3>Biologists study humans, plants, animals, and the environments in which they live. They may conduct their studies--human medical research, plant research, animal research, environmental system research--at the cellular level or the ecosystem level or anywhere in between.</h3>
Decomposers, fungi, and microbes play an important role because they break down the remains of dead plants and animals.
Activation energy Enzymes Reactants/substrates Products Bonds
