Grade 4 Decaying Materials and Living Things

It is an important process of bringing back to the environment several nutrients.

• Decomposition

• Eutrophication

• Organism

TRUE OR FALSE: Only plant cells have cell walls on the outside which are made of cellulose.

• True

• False

This is the power house of the cell.

• Mitochondria

• Cell Membrane

• Ribosomes

All living things including humans, plants and animals are called _________________________.

• decomposers

• eutrophication

• organisms

A group of cells of the same kind  form a ________________.

• tissue

• organ

• cell

TRUE or FALSE: All living things have cells but they are different from each other.

• True

• False

________________________ is a process that occurs in lakes or bodies of water that receive oversupply of nutrients.

• Eutrophication

• Photosynthesis

• Decomposition

_______________ are the smallest parts or units of the human body.

• Tissues

• Systems

• Cells

Organs that work together to perform a special function make up a _____________________.

• tissue

• system

• cell

TRUE OR FALSE: Nucleus stores all the genetic material.

• True

• False