Bio 1 Flashcards
(28 cards)
Why do seedless plants have to live in wet environments?
Their savored need to travel through water and they lack vascular tissue.
What do the pteridophytes have that the lycophytes do not?
Vascular tissue in leaves
Which of the following is Not a difference between gymnosperm and pteridophytes?
- gymnosperms are more effective at regulating their stomata in response to soil moisture conditions.
- The way they reproduce
- gymnosperms have a beached vascular system and pteridophytes do not
-gymnosperms have a beached vascular system and pteridophytes do not
True or false: Xylem moved dissolved sugars from the roots to the shoots using negative pressure.
False
Why do lycophytes need to live in wet environments?
Their speed need to move through the water.
Which of the following are not true of ginkgoes?
- nature seeds smell like vomit
- they are a type of gnetophyte
- thought to help with memory
- male and female flowers are on separate trees
- they are a type of gnetophyte
What do naked seeds or gymnosperms lack?
A fruit
What is unique about the flowers of ginkgoes?
The male and female flowers are found on separate trees.
How many living species of Ginkgo are there?
One(1)
True or false: plants with showy flower petals would probably Not use wind to spread their pollen.
True
True or false: the pollen tube is produced by the pistil and allows for the movement of sperm from the pollen to the ovule.
False, the pollen tube nucleus does this.
Which of the following is not directly involved in the seed-forming process in an ovule?
- pollen
- egg cell
- polar nuclei
- sperm
Pollen
Which pair of words best completes the following sentence?
In double fertilization, one sperm fuses with and _____________ to form an embryo while another sperm fuses with two polar nuclei to for the_____________.
- zygote, peduncle
- egg cell, endosperm
- endosperm, ovary
- ovule, cytyledon
-egg cell, endosperm
True or false: pollination ends when the sperm reaches the ovule.
False
Peduncle of a flower example or description
The stem-like structure of an Apple.
The anther of a plant description;
Part of the male flower part were pollen is produced.
The stigma of a plant description:
Were the pollen needs to land on the female part of a flower
The petals of a plant description
Attracts pollinators
Sepal of a plant description:
Protects the young developing flower
The receptacle part of a flower:
Point of attachment for the four main parts of the flower.
Which of the following is true of monocots?
- they have beached/netted venation
- vascular bundles are arranged in a ring in the stems
- sunflowers would be a good example
- they have a fibrous root system
-They have a fibrous root system
Which of the following is true of monocots?
- tomatoes would be a good example
- have a tap root
- vascular burlesque are arranged in a ring
- have a parallel leaf venation
-have a parallel leaf venation
True or false: most invasive species are problematic because they carry disease that kill native vegetation.
False the only takeover and that’s how they kill native vegetation.
True or false: Atmospheric levels of oxygen increased as coal formation increased.
True, because the formation of coal takes carbon dioxide out of the atmosphere
