Module 2 Bio

Most Organisms are classified as either Unicellular, _________________ and ______________.

• Colonial and Multicellular

• Multicellular and prokaryotic

• Colonial and prokaryotic

• Prokaryotic and Eukaryotic

Unicellular organisms can conduct all the processes required for living within their single cell. They are able to gain nutrients, remove waste, move , grow and reproduce.

• False

• True

Unicellular organisms must remain very _____________ in size, to increase their surface area to volume ratio, thus allowing for more efficient diffusion between the centre of the cell and the external environment.

• Large

• Small

• Medium

eukaryotic unicellular organisms have ______________ within their cells that perform specific roles to assist in keeping cells alive.

• Specialized

• Organelles

• small

Organelles aid cellular transport , allowing eukaryotic unicellular organisms to be ____________ than prokaryotic unicellular organisms.

• Small

• Medium

• Larger

Multicellular organisms have interdependent cells that in most organisms have become highly ______________.

• effective

• specialised

• complicated

Specialised cells in multicellular orgaganisms give rise to different ________ types and the formation of different organs.

• Cell

• Tissue

• Organ

• System

Groups of __________ that work together are called systems.

• Cells

• Tissues

• Organs

• Systems

Systems conduct processes required to keep the whole organism _____________.

• alive

• working

• moving

Definition for ______________: Groups of similar specialised cells working together.

• Cell

• Tissue

• Organelle

• Organ