Life science 11

What are Autotropes

Organisms that can produce its own food using light, water, CO2, and other chemicals

What are Heterotropes

An organism that cannot produce its own food and can only obtain food by consuming other organisms or organic matter

What is Homeostasis

The ability to maintain internal conditions in response to the environment changes

What is Internal stimulus

A reaction to internal factors

What is External stimulus

A reaction to external factors

What is Sexual reproduction

Two organisms create a new organism with mixed genes

What is asexual reproduction

A copy of the parent organism with the same genes

What are prokaryote cells

a simple unicellular organism that has no membrane bound organelles and are all bacteria

What are Eukaryotes cells

Complex organisms that can be unicellular and contain organelles surrounded by membrane including the nucleus

Define Multicellular organisms

Made of more than one cell. The cells develop through cell differentiation for different functions and have different appearance. Cells that are specialized to preform certain functions

Define Unicellular organisms

Made up of one cell. Can be prokaryote or eukaryote cell. The one cell carries out the function to maintain life. There is NO cell specialization

Name some diffrent cell specialized multicellular organisms

Neuron part of the nervous system. Red blood cells part of the circulatory system. Sperm cell. It fertilizes the egg cell.

What is adaptation

It is a characteristic that helps an organism survive and reproduce in its environment.

What was Aristotles belief on natural selection

He believed that animals were placed on earth by god and have never changed

What was Lamarck’s first theory’s on natural selection

The law of use and disuse (the more the body part is used the more developed it is)