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Plants Vocab

Biology 11

TermDefinition
Asexual Reproduction Asexual reproduction is a mode of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it is reproduction which almost never involves ploidy or reduction.
Cell the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.
Cephalization the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and in the course of an embryo's development.
Closed Circulatory system Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities.
Coelom the body cavity in metazoans, located between the intestinal canal and the body wall.
Colonial a colony refers to individual organisms of the same species living closely together, usually for mutual benefit, such as stronger defense or the ability to attack bigger prey.
Fluid Feeding Fluid feeders are organisms that feed on the fluid of other organisms. It can refer to: Hematophagy, feeding on blood. Nectarivore, feeding on nectar.
Endoskeleton an internal skeleton, such as the bony or cartilaginous skeleton of vertebrates.
Excretion the process of eliminating or expelling waste matter.
Exoskeleton a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.
Filter Feeding feeding by filtering out plankton or nutrients suspended in the water.
Free-living living freely and independently, not as a parasite or attached to a substrate.
open circulatory system Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities.
Invertebrates an animal lacking a backbone, such as an arthropod, mollusk, annelid, coelenterate, etc.
Levels of Organization The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Sessile attached directly by its base without a stalk or peduncle.
Medusa a free-swimming sexual form of a coelenterate such as a jellyfish, typically having an umbrella-shaped body with stinging tentacles around the edge. In some species, medusae are a phase in the life cycle that alternates with a polypoid phase.
Tissue any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
Vertebral Column Also known as the backbone or spine, is a bony skeletal structure found in vertebrates. It is formed from individual bones called vertebrae (singular: vertebra), which houses the spinal canal, a cavity that encloses and protects the spinal cord.
Created by: nharris123