characteristics of organisms

These flashcards cover key terms related to organisms, cell types, and modes of reproduction in biology.

Organism

A living entity characterized by the ability to grow, reproduce, and respond to stimuli.

Prokaryote

Cells that not have a nucleus and DNA floats inside the cell

Unicellular

Organisms made up of 1 cell

Eukaryote

A type of cell that contains a nucleus and organelles, found in organisms like plants and animals.

Multicellular

Organisms composed of many cells, which can specialize for different functions.

Autotroph

Organisms that produce their own food through photosynthesis or chemosynthesis.

Bacteria

Unicellular microorganisms that lack a nucleus and are classified as prokaryotes.

Heterotroph

Organisms that cannot make their own food and rely on other sources for energy.

Asexual Reproduction

A mode of reproduction that involves only one parent, producing offspring genetically identical to the parent.

Sexual Reproduction

A mode of reproduction that involves the fusion of male and female gametes, resulting in genetically diverse offspring.