Microbiology
The process of absorbing or assimilating substances into the cell or across the tissues and organs, done through diffusion or osmosis.
What is absorption?
A stalk that connects the blade with the leaf base.
What is a petiole?
A class comprising cartilaginous fishes with well-developed jaws, which include sharks and rays.
What is Chondrichthyes?
Dependent on or capable of the internal generation of heat.
What is endothermic?
Any process that living things use to actively maintain fairly stable conditions necessary for survival.
What is homeostasis?
The breakdown of substances within the cytoplasm of a cell.
What is digestions?
Plants that produce flowers and bear their seeds in fruits.
What is an angiosperm?
A diverse taxonomic group of fish that have skeletons primarily composed of bone tissue.
What are Osteichthyes?
An animal whose regulation of body temperature depends on external sources.
What is ectothermic?
A process where a single cell divides twice to produce four cells containing half the original amount of genetic information.
What is meiosis?
The process by which organisms use oxygen to break down food molecules to get chemical energy for cell functions.
What is respiration?
A plant that reproduces by means of an exposed seed, or ovule.
What is gymnosperm?
An unpaired fin on the back of a fish or whale.
What is a dorsal fin?
A maintenance behaviour found in birds that involves the use of the beak to position feathers, interlock feather barbules that have become separated, clean plumage, and keep ectoparasites in check.
What is to preen?
Type of vascular tissue responsible for conducting water throughout the plant body.
What is xylem?
The separation and throwing off of waste materials or toxic substances from the cells and tissues of a plant or animal.
What is excretion?
Protuberances that extend from the lower epidermal cells of bryophytes and algae.
What is are rhizoids?
Gland in some fish and amphibians that secretes a mucus-like substance containing venomous or acrid material.
What are poison glands?
Define the body outline of a bird and serve as aerodynamic devices.
What are contour feathers?
The largest of the flight feathers that propel the bird through the air.
What are primary feathers?
The act of excreting unusable or undigested material from a cell.
Plant vascular tissue that conducts foods made in the leaves during photosynthesis to all other parts of the plant.
What is phloem?
A toxic substance produced by some creatures that is injected into prey by biting or stinging and has an injurious or lethal effect.
What is venom?
An organism that regularly consumes a variety of material, including plants, animals, algae, and fungi.
What is an omnivore?
The process by which a type of white blood cell surrounds and destroys foreign substances, such as bacteria, and removes dead cells.
What is phagocytosis?