Which of the following is not a trend in plant evolution?

a. Increasing independence from water for reproduction

b. Development of vascular tissue

c. Decreasing size of archegonia and antheridia

d. Increase in dominance of the diploid generation

e. Evolution from heterospory to homospory

A plant that has fibrous roots would also have

a. Stem vascular bundles in a ring

b. Parallel venation

c. Palmate venation

d. Stem vascular bundles in a stele

e. Pinnate venation

Which of these are structures in the gametophyte generation?

a. Leaves, stems, roots, flowers, cones

b. antheridium, embryo, seed, spores, flowers

c. egg, sperm, zygote, embryo, seedling

d. archegonium, antheridium, egg, sperm, seed

e. spores, egg, pollen, archegonium, sperm

What two innovations are the most important in allowing the gymnosperms and angiosperms to become mores successful than earlier land plants?

a. Flowers and pollen

b. seeds and fruits

c. pollen and dormant embryos

d. dominant sporophyte and seeds

e. seeds and dormant embryos

Platyhelminthes can survive without specialized gas exchange structures because

a. they live in moist or aquatic habitats

b. the live in especially oxygen rich habitats

c. their bodies are not segmented

d. their bodies have a high surface area to volume ratio

e. they do not have a coelom

The notochord is most closely associated with the

a. nervous system

b. spinal chord

c. muscular system

d. skeletal system

e. integumentary system