Protists, Fungi, Plants Flashcards

(23 cards)

1
Q

Protist

A

an organism that belongs to the kingdom Protista

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2
Q

Heterotroph

A

An organism that gets food by eating other organisms

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3
Q

Parasite

A

an organism that lives in or on another organism (its host) and benefits by deriving nutrients at the host’s expense.

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4
Q

Host

A

an animal or plant on or in which a parasite or commensal organism lives

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5
Q

Eukaryote

A

an organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus. Eukaryotes include all living organisms other than the eubacteria and archaebacteria.

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6
Q

Decomposer

A

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

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7
Q

Fungi

A

A fungus is any member of the group of eukaryotic organisms that includes unicellular microorganisms such as yeasts and molds, as well as multicellular fungi that produce familiar fruiting forms such as mushrooms and bracket fungi

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8
Q

Spore

A

a minute, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion, characteristic of lower plants, fungi, and protozoans

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9
Q

Lichen

A

A lichen is a composite organism that arises from algae and/or cyanobacteria living among filaments of multiple fungi in a symbiotic relationship.

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10
Q

Novascular plant

A

Non-vascular plants are plants without a vascular system consisting of xylem and phloem. Although non-vascular plants lack these particular tissues, many possess simpler tissues that are specialized for internal transport of water.

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11
Q

Vascular Plant

A

Vascular plants, also known as tracheophytes and also higher plants, form a large group of plants that are defined as those land plants that have lignified tissues for conducting water and minerals throughout the plant.

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12
Q

Gymnosperm

A

The gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes

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13
Q

Angiosperms

A

The flowering plants, also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants, with 416 families, approx. 13,164 known genera and a total of c. 295,383 known species

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14
Q

Photosynthesis

A

Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the “fuel” used by all living things

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15
Q

Cellular respiration

A

is a set of metabolic reactions and processes that take place in the cells of organisms to convert biochemical energy from nutrients into adenosine triphosphate (ATP), and then release waste products.

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16
Q

Transpiration

A

Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves.

17
Q

Tropism

A

the turning of all or part of an organism in a particular direction in response to an external stimulus.

18
Q

Gravitropism

A

Gravitropism (also known as geotropism) is a turning or growth movement by a plant or fungus in response to gravity. It is a general feature of all higher and many lower plants as well as other organisms.

19
Q

phototropism

A

the orientation of a plant or other organism in response to light, either toward the source of light ( positive phototropism ) or away from it ( negative phototropism ).

20
Q

Asexual Reproduction

A

Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.

21
Q

Toxoplasmosis

A

a disease caused by toxoplasmas, transmitted chiefly through undercooked meat, or in soil or cat feces. Symptoms generally pass unremarked in adults, but infection can be dangerous to unborn children.

22
Q

Malaria

A

an intermittent and remittent fever caused by a protozoan parasite that invades the red blood cells. The parasite is transmitted by mosquitoes in many tropical and subtropical regions.

23
Q

Giardia

A

Giardia infection is an intestinal infection marked by abdominal cramps, bloating, nausea and bouts of watery diarrhea. Giardia infection is caused by a microscopic parasite that is found worldwide, especially in areas with poor sanitation and unsafe water.