7 Characteristics
What is a living thing?
A living thing is anything that displays all seven characteristics of living things
What is classification?
It is the process of arranging organisms, both living and extinct, into groups based on similar characteristics.
Who developed the classification system used to categorize living organisms?
Carl Linnaeus.
What is the primary source of energy for all food chains?
Sun
What is the process called when molecules move from an area of high concentration to an area of low concentration?
Diffusion
What is one characteristic of living things that involves getting rid of waste products?
One characteristic of living things that involves getting rid of waste products is excretion.
What term is used to describe the smooth or rough surface of an organism’s skin or outer covering?
Texture
What is the term used for the two-part scientific name given to organisms in the Linnaean system?
Binomial nomenclature.
What is the term for an organism that eats plants and animals in a food chain?
Omnivore.
Which type of solution has the same concentration of solute as the inside of a cell?
Isotonic.
Name two characteristics of living things that help them respond to changes in their environment.
Two characteristics of living things that help them respond to changes in their environment are irritability (the ability to respond to stimuli) and movement (the ability to move in response to changes in the environment).
Which term is used to describe an organism’s general form or outline, such as being round, flat, or cylindrical?
Shape
In Linnaeus's classification system, which level comes after "kingdom" and before "class"?
Phylum.
In a food chain, which organism is typically at the top and has no natural predators?
Apex Predator/ Top Predator
What is osmosis?
Osmosis is the movement of water molecules from an area of higher water concentration to an area of lower water concentration through a differentially permeable membrane.
How does the characteristic of "growth" differ from "reproduction" in living organisms?
The characteristic "growth" refers to the physical changes and maturation of an organism over time, such as an organism getting larger or developing more complex structures. "Reproduction" refers to the process of creating offspring to ensure the continuation of the species.
What is the name of the process where animals change their colour to blend into their surroundings for protection?
Camouflage
What are the two main categories (or ranks) in binomial nomenclature that identify an organism?
Genus and species.
What is the difference between a food chain and a food web?
A food chain is a linear sequence showing who eats whom, while a food web is a more complex network of interconnected food chains in an ecosystem.
What happens to a cell placed in a hypertonic solution?
The cell loses water and shrinks because the concentration of solutes outside the cell is higher than inside.
How are respiration and nutrition related to the energy needs of living things?
Respiration and nutrition are closely related to the energy needs of living things because nutrition provides the necessary food or nutrients, which are broken down during respiration to release energy. This energy is used for movement, growth, reproduction, and other life processes.
What term describes an organism’s ability to move by using cilia, flagella, or pseudopodia?
Locomotion
What was the mnemonic given to help remember the levels of the classification system?
King Philip came over for good soup
How does the removal of a species from a food chain or food web affect the ecosystem?
The removal of a species can disrupt the balance of the ecosystem, affecting the population of other organisms and potentially leading to overpopulation or extinction of other species in the food web.
How does the movement of water during osmosis differ from the movement of molecules in diffusion?
In osmosis, only water molecules move across a differentially permeable membrane, while in diffusion, any type of molecule moves from an area of high concentration to an area of low concentration, without needing a membrane.