Botany lab exam 1

The phylum chlorophyta is also referred to as?

Green Algae

What genus does not undergo an alteration of generations?

Volvox

Volvos uses what for movement?

Flagella

How many flagella does volvox have?

2

The genus volvox belongs to what phylum?

Chlorophyta (green algae)

Are volvox multicellular ?

No

What is the first multi cellular green algae?

Spirogyra

The genus spirogyra belongs to which phylum?

Chlorophyta (green algae)

Each rectangle on the spirogyra filament represents a ? (Microscope slide)

Cell

The spirals of the spirogyra represent ? (Microscope slide)

Chloroplast

Ulva (sea lettuce) belongs to what phylum ?

Chlorophyta (green algae)

Which green algae shows an alteration on generations ?

ulva (sea lettuce)

All of the green algae are?

Thallus

Cite Evidence of the green algae.

\-They Store up starch

\-Cell wall made up of cellulose

\-All are thallus

\-they are all photosynthetic

The phylum Hepatophyta refers to?

Liverworts

The phylum anthocerotophyra refers to the?

Hornworts

The phylum bryophyta refers to the?

Mosses /club mosses

The genus sphagnum belongs to which phylum? (Peat moss)

Lycophyta

Sphagnum special qualities ?

\-Used for soil

\-used as medicine to prevent dehydration

What process occurs immediately before egg formation ?

Mitosis

What generation becomes dominant in spore producing vascular plants ?

Sporophyte

What are the spore producing vascular plants ?

\-Lycophyta

\-sphenophyta

\-psilophyta

\-pteridophyta

The leaves on mosses (Lycophyta) are ?

Microphylls

The cone shape structure on mosses are called ?

Strobilus

Scouring rushes and horsetails belong to the phylum ?

Sphenophyta

silica is present on which phylum ?

Sphenophyta

what is the most photosynthetic organ in the phylum sphenophyta?

The stem

What are the joints and joint spaces called in scouting rush/ horsetails (sphenophyta)?

Nodes and internodes

Whisk ferns belong to which phylum ?

Psilophyta

Which phylum has ALL stems for its organs ?

Psilophyta

The major photosynthetic organ of psilophyta (whisk ferns) are the?

Stems

T or F ..Whisk ferns have scales ?

True

Whisk ferns have slushees of sporangia that grow as?

Epiphytes

True ferns belong to the phylum ?

Pteridophyta

Megaphylls become present in which phylum ?

Pteridophyta (true ferns)

What is absent in the ferns ?

A strobilus

The most advanced of the spore producing vascular plants are the?

True ferns (pteridophyta)

How many organs do spore producing vasc plants have ?

3

What are the Vascular seed plants ?

Cycadophyta

Coniferophyta

Ginkophyta

Gnetoohyta

How many organs do vascular seed plants have ?

4 (roots, stems, leaves, seeds)

What organ becomes present in seed plants?

The seed

Spores are always produced by what process?

Meiosis

Peat moss contributes to the formation of ?

Fossil fuels

Angiosperms

The most advanced flowering plants (6 organs)

Gymnosperms

Less advanced plants like palm trees (4 organs)

Water is not longer required for fertilization in?

Seed plants

Cycadophyta

Palm like or fern like plants

The leaves on cycads are?

Megaphylls

Are cycads dioecious or monacious ?

Dioecious

What is used to spread Soren to the egg in cyacads ?

Beetles

Are ginkgos monacious or dioecious?

Dioecious

Ginkgo trees are deciduous meaning ?

They lose there leaves during dormant seasons

What is special about ginkgo?

\-Extinct in the wild

\-very pollution tolerant

Ginkophyta has

Fan shaped leaves and trees are shaped like pyramids

What is used for pollination in ginko plants ?

The wind

Ginko plants consist of ?

Long shoots and short shoots

The female Ginkophyta tree does not have ?

A strobilus instead it pairs ovules

In ginko plants leaves only come from the ?

Short shoots (cluster of pine needles)

Coniferophyta are ?

Cone bearing trees

Types of conifer trees?

\-Pine trees

\-cedar trees

\-spruce trees

\-cyphers

\-fir trees

Conifer trees are shaped like ?

Pyramids or Christmas trees

Conifer trees leaves are shaped like needles to?

Traduce surface area and conserve water

Similar to ginkos Conifers also have ?

Long shoots and short shoots

What is special about cypress trees?

Rot resistant

What is special about spruce trees

Good for insect repellent

Are cedar trees monacious or dioecious?

Dioecious

What spreads the seeds for cedar trees?

Birds

What is the horizontal flat structure used to help clone plants ?

Rhizomes

Female Conifer trees are made up of ?

Modifies branches or stems

Pine trees and cones lack what which makes them not a fruit ?

ovaries

Are pine trees monacious or dioecious?

Monacious

The phylum gnetoohyta are closets to ? (Tropical or in desert)

Flowering plants

Gnetoohyte leaves are reduced down to?

Scales

After fertilization an ovule becomes a ?

Seed

all 4 seed plants are?

Gymosperms

Pine trees cross pollinate promoting

Genetic diversity

Male cones are called

Microsporangiate strobilus

Female cones are called

Megasporangiate strobilus

Make strobili are made up of leaves called?

Microsporophylls

What is the genus and phylum of this plant?

Genus- sphagnum

Phylum - Lycophyta

Name the genus and phylum?

Genus- volvox

Phylum- chlorophyta (green algae)

Name the genus and phylum

Genus- Ulva (sea lettuce )

Phylum - chlorophyta (green algae)

Name the structure

Archegonium

Name the genus and phylum

Genus- liverwort

Phylum - helatophyta

(Thallus ,Water is necessary for fertilization , resembles seaweed)

Review

Review

Review

Name the phylum

Bryophyta (review)

Name the phylum

Lycophyta

Name the phylum

Sphenophyta

(Preserved strobili)

Name the plant and phylum

Cypress tree

\-phylum- Coniferophyta

Name the genus and phylum

Left - scoring rush Phylum - sphenophyta

Right- horsetail Phylum- sphenophyta

Name the cone and phylum

Female strobili (cone) Phylum- Cycadophyta

Seeds at the bottom

Name the cone and phylum

Male strobili (cone)

Phylum- Cycadophyta

Yellow seeds at the bottom are Microsporangia

Name the phylum

Cycadophyta

Name the phylum

Lycophyta

Review

Review

Name the phylum

Cycadophyta (seeds)

Name the phylum and structure

Female cone

Phylum- Cycadophyta

Made up of modified branches

Name the phylum and review

Coniferophyta

Review

Review