Lab Practical II

Over Labs 12A, 12B, 13, 14, and 15

This is a moss gametophyte with sporophytes. What phylum does it belong to?

Bryophyta

What life cycle stage is labeled A, and is it n or 2n generation?

gametophyte, n

What life cycle stage is labeled B, and is it n or 2n generation?

sporophyte, 2n

When a gametophyte has a sporophyte attached, it is a ________.

female

This moss has no true leaves or roots because it has no ________ _______.

vascular tissue

This is a moss ___________ (male gametangium).

antheridium

This moss makes n or 2n sperm made by mitosis or meiosis.

n, mitosis

The sperm of this moss antheridium gets to the egg by ________.

swimming

This is a moss __________ (female gametangium).

archegonium

This moss makes n or 2n sperm made by mitosis or meiosis.

n, mitosis

The ________ (fertilized egg) of this moss grows into the next ________ generation.

zygote, sporophyte

This is a moss sporophyte. The spores are dispersed in ______ conditions when peristome teeth retract.

dry

Spore are n or 2n and grow into the next _______ generation.

n, gametophyte

Label A

sporangium

Label B

operculum

Label C

peristome teeth

This is a liverwort ________ and it belong in phylum ________.

gametophyte, Hepaticophyta

Structure A is a ________ branching thallus (branches in 2).

dichotomous

Structure B is a _______ and it reproduces ________.

gemmae cup, asexually

This liverwort gametophyte is a n or 2n generation, and does it have vascular tissue?

n, no

This is a liverwort _________, and it belongs to phylum ________.

sporophyte, Hepaticophyta

Structure A is a _________, and it is a male that makes _____.

antheridiophore, sperm

Structure B is a __________, and it is a female that makes ______.

archegoniophore, eggs

This is a liverwort _______ and it belong to phylum ________.

sporophyte, Hepaticophyta

Structure A is a __________ that contains spores.

sporangium

Structure B are ________ that contract when the environment is dry to allow the dispersal of _______.

elaters, spores

This liverwort sporophyte is a ___ generation that makes n spores by _____.

2n, meiosis

The common name of this organism is ________, and it belongs to phylum ___________.

hornwort, Anthocerotophyta

This hornwort has no _______ ______.

vascular tissue

This is a club moss. It belongs to genus _________ and phylum ________.

Lycopodium, Lycophyta

Structure A is the _______ that consists of packed sporophyll that support the sporangia.

strobilus

This is a Lycopodium structure called a _______ (correct name for a cone).

strobilus