biology chapter 23

The alternation of generations life cycle of plants involves a multicellular diploid stage called a and a multicellular haploid stage called a

Blank 1: sporophyte Blank 2: gametophyte

Sporophytes undergo meiosis to form a ______ cell called a spore.

haploid

Sporophytes undergo meiosis to form a ______ cell called a spore. diploid cone haploid seed

haploid

The genetic makeup of a spore is _____. polyploid diploid haploid

haploid

Select examples of bryophytes from the choices listed here. ferns mosses liverworts hornworts

mosses liverworts hornworts

Which generation in a plant's alternation of generation life cycle produces spores? sporophyte gametophyte chlorophyte

sporophyte

Which factors did plants have to overcome when they moved from water to land?

sun exposure water loss gravity

Represented by the mosses, liverworts,and hornworts. the first plants to colonize land were the

bryophytes

During a plant's alternation of generation life cycle, gametes are produced during the haploid generation by the

Correct Answer gametophyte

The sporophyte generation uses meiosis to produce

Correct Answer spores

Which of the following are adaptations for plants to live on land? Having a diploid part of the life cycle Waxy cuticle Having chlorophyll Bodies made from tissues. Veinous system Tracheids for water transport

Correct Answer Having a diploid part of the life cycle Waxy cuticle Bodies made from tissues. Tracheids for water transport

Which of the following processes does the sporophyte generation undergo to produce spores? Cytokinesis Meiosis Fertilization Mitosis

Correct Answer Meiosis

The generation that produces gametes in a plant's alternation of generations life cycle is called the ______. gametophyte spermatophyte sporophyte chlorophyte

Correct Answer gametophyte

All land plants have an alternation ______ involving haploid and diploid stages. of meiosis of life styles of generations of habitats

Correct Answer of generations

Which group below is best described as multicellular, eukaryotic, and photosynthetic? plants bacteria fungi animals

Correct Answer plants

A haploid reproductive cell that develops into a new organism without having to fuse with another reproductive cell is the _____. gametophyte zygote sporophyte egg spore

Correct Answer spore

Which generation in a plant's alternation of generation life cycle produces spores? gametophyte sporophyte chlorophyte

Correct Answer sporophyte

Which of the following is the largest group of nonvascular plants, with over 15,000 species? Multiple choice question. Liverworts Hornworts Mosses

Mosses

Which of the following characteristics are shared by both green algae and plants?

contains chlorophyll a contains cellulose contains chlorophyll b stores carbohydrate as starch

Which of the following plant characteristics are not found in green algae?

protects zygote nourishes embryo

Marchantia, one genus of liverwort, has numerous hairlike extensions on the lower surface of the lobes of the thallus, which serve in anchorage and water absorption. These extension are called ____

rhizoids

True or false: All plants have evolved from a common green algal ancestor.

true