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8th SSA Vocabulary - Life Science

A structure inside the cell that holds DNA
A symbiotic relationship where one organism lives on or in another organism (host) which is harmed
The role of the musculo__ system is to provide support and movement to the body
__factors are anything that controls a population's size such as food, shelter, and disease
The __record is used as evidence to support the theory of evolution
The cell __ states that all living things are composed of at least one cell and all cells come from pre-existing cells.
To maintain internal stability
A domain classification of living things that do not have a nucleus or membrane bound organelles
The process that plants use to make their own food
The role of the __system is to produce offspring
Specific characteristic of an organism that can be either dominant or recessive
The role of the __system is to help the body fight infection and disease
The human heart contains all four types of tissues: connective, epithelial, muscular, and __
The theory of __explains that living things change over time
Mitosis is a process of cell division that produces two identical daughter cells, but __ produces four genetically different sex cells
The smallest unit of a living organism
Bacteria, viruses, and fungi can all cause __ to the body
A group of different tissues that perform a particular function
The __ and circulatory systems work together to provide oxygen throughout the body
A rigid structure found in plant and bacteria cells that provides support
A food__ is a model that shows feeding relationships of organisms in an ecosystem
An organisms genetic makeup consisting of alleles
A kingdom of living things that are unicellular (single-celled)
A symbiotic relationship between organisms in which both benefit.
A group of organs that work together to perform a specific function
When a species has been eliminated from an ecosystem
An organelle in the cell that generates ATP energy
An organelle in plant and algae cells that is the cite of photosynthesis
The observable physical characteristics of an organism based on its genes
Cellular __ is the process that living things break down their food to get energy
The function of the __system is to break down food into nutrients for the body
__selection is the opposite of selective breeding
Autotrophs like plants make their food, but __trophs need to consume their food
A producer can make its own food through photosynthesis, but a decomposer or a __ cannot.
Prokaryotes are a domain of living things whose cells do not have a nucleus, but __ are a domain of living things whose cells do have a nucleus and membrane bound organelles
An organelle that regulates the transport of substances into and out of the cell
Biotic factors are living things in an ecosystem, conversely __ are nonliving things in an ecosystem such as water and soil
A group of similar cells that perform the same function