20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt 20 pt 30 pt 40 pt 50 pt 10 pt Cells Plants and their Adaptations Classifying Living Things

The basic unit of structure and function of all living things.

Cell

The organelle that controls all of a cell’s activities.

Nucleus

The thin covering that encloses a cell and holds its parts together.

Cell Membrane

A jellylike substance containing many chemicals that keep a cell functioning.

Cytoplasm

The diffusion of water and dissolved materials through cell membranes.

Osmosis

The process by which many materials move in and out of cells.

Diffusion

Cells that work together to perform a specific function -

Tissue

Tissues that work together to perform a specific function -

Organ

Nerve cells that detect conditions in the body’s environment -

Receptors

The process of cell division -

Mitosis

The smallest name grouping used in classification -

Species

The largest name grouping used in classification -

Kingdom

Animals with a backbone -

Vertebrates

Animals that have dry, scaly skin -

Reptiles

Animals that have moist skin and no scales -

Amphibians

Animals that have hair and produce milk for their young -

Mammals

Vertebrates that live their entire life in water -

Fish

Vertebrates with feathers -

Birds

Animals without a backbone -

Invertebrates

The grouping of things by using a set of rules -

Classification

Living things that look like plants but cannot make their own food; example – mushrooms -

Fungi

Plants that have tubes -

Vascular tubes

The food-making process that produces oxygen -

Photosynthesis

A coloring matter that helps plants use light energy to produce sugars

Chlorophyll

When a conditions are right and a seed sprouts, it is called -

Germination