Levels Of Organisation Flashcards
(16 cards)
What is the basic unit of structure and function in life?
CELL
Cells are the fundamental building blocks of all living organisms.
What are groups of cells that work together to do a specific job called?
TISSUE
Tissues perform specialized functions in multicellular organisms.
What structure is made up of two or more tissues that work together to carry out a specific job?
ORGAN
Organs are essential components of organ systems.
What is the term for all the organs that work together to do a specific job?
ORGAN SYSTEM
Organ systems perform complex functions necessary for life.
What do we call a living thing?
ORGANISM
Organisms can be unicellular or multicellular.
What is a group of organisms that can mate and produce offspring called?
POPULATION
Populations are crucial for studying species dynamics.
What do we call populations living together in the environment?
COMMUNITY
Communities include multiple species interacting in an ecosystem.
What is the combination of biotic factors and abiotic factors in a given place and how they interact called?
ECOSYSTEM
Ecosystems can vary greatly in size and complexity.
What are regions of the world with similar climate, animals, and plants called?
BIOME
There are 5 major biomes: tundra, forest, grassland, desert, and aquatic.
Name one of the major biomes.
Tundra
Desert
Forest
Grasslands
Aquatic
Tundras are characterized by cold temperatures and low biodiversity.
Name another major biome.
Desert
Deserts have very low precipitation and extreme temperature variations.
What is the portion of Earth where life is found called?
BIOSPHERE
The biosphere encompasses all ecosystems on Earth.
Fill in the blank: Groups of cells that work together to do a specific job are called _______.
TISSUE
Tissues are classified into four main types: epithelial, connective, muscle, and nervous.
Fill in the blank: A _______ is a group of organisms that can mate and produce offspring.
POPULATION
Populations are studied in ecology to understand species interactions and dynamics.
True or False: An ecosystem only includes living organisms.
False
Ecosystems include both biotic (living) and abiotic (non-living) components.
True or False: The biosphere is the largest level of organization in ecology.
True
The biosphere encompasses all ecosystems and living organisms on Earth.
