Biology Chapters 25, 26, 27, and 28

37 terms by Sophjenk

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Kingdom Protista

Defined by exclusion. Eukaryotic. Mostly unicellular.

Algae

Plant like protist. Photosynthetic autotrophs. Possess chlorophyll a. Mostly aquatic with flagella. Mostly unicellular, colonial, filamentous.

Slime molds

Fungus like protists. Unicellular, absorptive heterotrophs.

Water molds

Fungus like protists. Types are oomycota and chytridiomycota.

Kingdom Fungi

Eukaryotic, absorptive heterotrophs. Cell wall made of chitin. excess sugar stored as glycogen. Mostly multicellular.

Mold

A fungi. Unicellular tangled masses of filaments.

Yeast

A fungi. Unicellular, colonial.

Hyphae

One filament in fungi

Mycelia

All filaments put together in a fungi.

Mycology

The study of fungi.

Septate hyphae

When the boundaries between cells in the hyphae are clearly visible.

Coenocytic hyphae

When the boundaries between cells in the hyphae are not visible.

Deuteromycota

Fungi that lack a sexual mode of reproduction. Not based on evolutionary evidence.

Lichens

A fungi that has a mutual relationship with algae or cyanobacteria. The fungus has a photosynthesizer inside it that gives it glucose.

Mycorrhizae

A fungi that has a mutual relationship with plant roots. Greatly increases root absorption.

Kingdom Plantae

Photosynthetic, eukaryotic, cell walls made of cellulose, chloropasts, multicelular, possess true tissue and organs, indeterminate growth, chlorophyll a and b and caratenoids.

Xylem

Inside plants. used for moving water.

Phloem

Inside plants. Used for moving food.

Bryophytes

Nonvascular (ie. mosses)

Ferns

Vascular and seedless

Monocot

Only in angiosperms. 1 seed leaf. Parallel vennation. Flower parts in 3x. Fibrous root system.

Dicot

Only in angiosperms. 2 seed leaves. Netlike vennation.Flower parts in 4-5x. Taproot.

Gametophyte

Haploid phase of plant cells' lives.

Sporophyte

Diploid phase of plant cells' lives.

Stigma

Place where pollen enters in an angiosperm.

Carpel

Female part of a flower

Style

Passageway in female part of flower where pollen travels through.

Stamen

Male part of a flower.

Anther

Part of flower that holds pollen

Filament

Holds up the anther

Ovary

Part of the flower that holds the seed.

Meristems

Regions of active mitosis in plants

Apical meristems

Meristems that contribute to growth at the tip of roots and tops of shoots.

Lateral Meristems

Meristems that contribute to secondary growth (growing outwards) in conifers.

Auxins

Promote cell elongation. Allow plants to move towards or away from stimulus.

Tropisms

Movements toward or away from stimulus.

Phototropism

Growth response to light.

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