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Biology 1620 > Chapter 30 > Flashcards

Chapter 30 Flashcards

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1
Q

Why are there flowers growing no where near water?

A

Seeds of these plants allow the plants and flowers to grow.

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2
Q

What are fireweed seeds?

A

They are a fruit and there are lots of seeds. They have feather like seeds that allows them to blow and float through the air.

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3
Q

Do mosses have vascular tissue?

A

No they do not.

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4
Q

What is the dominant phase for a moss?

A

The Gametophyte phase.

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5
Q

What is the sporophyte generation dependent on in moss?

A

the nutrition given by the gametophyte.

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6
Q

Is a fern a vascular plant?

A

Yes

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7
Q

What is the dominant phase in a fern?

A

Sporophyte generation.

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8
Q

What is the gametophyte of a fern dependent on?

A

It is not dependent on anything. It is independent and is photosynthetic and free living.

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9
Q

What is the dominant generation in seed plants?

A

Sporophyte generation.

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10
Q

What are seed plants dependent on?

A

They are dependent on surrounding sporophyte tissue for nutrition.

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11
Q

What are Gymnosperms?

A

They are also known as “naked seeds” They are seed plants that do not grown flowers or fruits.

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12
Q

What is the phylum Cycadophyta?

A

It is a pinecone although it behaves like a pineapple. This plant looks like a fern but it has seed so it is not.

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13
Q

What are some different types and examples of gymnosperms?

A 
Ginko tree (fan like leaves), Conifers (like spruce, fir, pine, Junipers, Redwood)
Remember that evergreens arent all conifers.
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14
Q

What are angiosperms?

A

Angiosperms are seed plants with both fruit and flowers.

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15
Q

What is the female reproductive part of a flower called?

A

The Carpel or Pistil

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16
Q

What does the Carpel/Pistil consist of?

A

Stigma, Style, Ovary

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17
Q

What is the male part of the flower called?

A

Anther and Filament.

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18
Q

What are the small round structures found in the Ovary of a flower?

A

Ovule.

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19
Q

What are examples of plants with flowers that arent as obvious?

A

Rye grass and Oak flowers.

20
Q

What are the different kinds of symmetry for flowers?

A 
Radial symmetry (like a daffodil)
Bilateral symmetry (like orchids)
21
Q

Is there a difference in the location of stamens and carpels in flowers?

A

Yes the location of stamen and carpels help in determining different types of flowers.

22
Q

What distinguishes something as a fruit?

A

If it has seeds inside it is a fruit.

23
Q

How can flowers disperse?

A

Flowers have ability to move farther distances because of their seeds.
- “if you send my pollen around I will give you nectar” There is a trade off in pollination of flowers.

24
Q

How do fruits disperse their seeds?

A

Being eaten

25
Q

What does mast mean?

A

A forest mast, for example, is what falls to the forest floor and is an edible substance by forest organisms.

26
Q

What are some other ways that fruits can be dispersed?

A

Wings and barbs.

27
Q

How can you tell if a model is an alternating generation model?

A

Part of (n) are multicellular, that is key in knowing it is a full cycle

28
Q

What are some examples of monocots?

A

Orchids, Pygmy date palm, Barley

29
Q

What are monocots?

A

Monocots are angiosperms that has one seedling, long leave/slender, and the vein are long and parallel.

30
Q

What are some characteristics of a monocot?

A

Only one cotyledon, has vascular tissue that is scattered, and the veins are usually parallel.

31
Q

What are some characteristics of dicots?

A

Dicots are angiosperms that have two cotyledons, their veins are usually net like, and their vascular tissue are arranged in a ring.

32
Q

What does CCD stand for?

A

Colony Collapse disorder

33
Q

What is CCD?

A

Bee keepers saw that bees were not coming back. They fell down to the ground and died. Dont really know exactly why this is happening to the bees.
- Because Honey bees are excellent pollinators they are ships around to help pollinate flowers.
Ex: Almonds in California are early bloomers. They bloom in February and honey bees are used and brought into areas with trucks to pollinate them. They arent used to that time of year and so most do not survive.

34
Q

What is clear cutting?

A

Clear cutting is the cutting down of a bunch of trees and clearing out areas of vegetation.

35
Q

What is the problem with clear cutting? Especially in the Amazon?

A

Sao Paulo is drying up because of the effects of clear cutting. Once cut, there are openings in the forests and rain cannot be used by trees to create the mist to survive. Instead the water flows right back into the ocean.

36
Q

Name the plant that is used to make an eye pupil dilator:

A

Belladonna plant.

37
Q

Name the plant that is used to make heart medications:

A

Foxglove

38
Q

Name the plant that is used to make throat soothers:

A

Eucalyptus tree

39
Q

Name the plant that is used to make a Malaria preventative:

A

Chinchona tree

40
Q

Name the plant that is used to make Ovarian cancer drugs:

A

Pacific yew

41
Q

Name the plant that is used to make a muscle relaxant:

A

Curare tree

42
Q

Name the plant that is used to make a leukemia drug:

A

Periwinkle

43
Q

What is high throughput screening?

A
  • It is when you find drug clues from natural sources like flowers. Looking at the drug you try to recreate it in a lab.
  • Make and rearrange the compound and test in a dish. (Preclinical stage)
  • The compounds are tested to see if they work. and one drug is produced.
44
Q

What is the problem with High Throughput Screening?

A

Companies will find molecules that can and might help cure a certain illness but if it doesnt make money for the company then the compound or medicine is not produced.

45
Q

How can you put a value on a forest?

A

We may put a value on a forest depending on how much is made in permits to cut down wood and to burn it.
- There are actually so many other things that need to be considered to put a value on a forest.
Ex: Food production, Fuel, Spiritual, Educational, Habitat provision, Climate regulation etc.

46
Q

What are similarities between flower plants and mosses?

A

They both produce spores and both have alteration of generations.

Biology 1620 (15 decks)

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