LAB 5
Name the 4 main parts of a Ferns's life cycle is what?
1. Fiddlehead
2. Sorus/sori
3. Sporangium
4. Prothallus
What is a Gymnosperm?
Gymnosperm is a "naked seed" it can have both male & female gametophytes that are separate.
Name 3 things that are considered to be Fibrous roots?
1. Leek
2. Corn
3. Grassses
What is the difference between Monocots & dicots?
Monocots- 1 cotyledon, Veins in leaves, flower usually in multiples of 3, the primary vascular bundles in the stem are scattered.
Dicots- 2 cotyledon, netlike leaves, usually flower of 4 or 5, the primary vascular bundles in the stem are in a ring.
Can you explain what sori are in the Pteridophyta plant?
Soris are usually found on the underside of the blade they are in ferns and fungi, but forsoris in a fern are spores that are essential for reproduction.
What's the different between Mitosis & Meiosis?
Mitosis has no change in ploidy as Meiosis has a ploidy. As well Meiosis gose from (2N to 1N) and Mitosis goes two ways (2N to 2N) or (1N to 1N)
How many cotyledons does the monocot plant have?
Monocot has one cotyledon
What is a Taproot?
Tap root grows vertically downwards, and the center is subsidiary rootlest spring.
Compare and contrast monocots & dicots.
The differnt betwwen monocots & dicots is that a monocots have long, narrow leaves with parallel veins an example would be grasses, monocot flowers are arranged in threes or in multiples of three. Dicots have broad leaves with branched veins, dicot flowers are arranged in fours and fives or multiples of fours and fives.
Can you tell us what a Simple Fleshy Fruit is and give an example of what it is?
Fleshy fruits are those fruits in which part or all of the pericarp is fleshy an example can be Berries.
What is the plant kingdom? What are the main groups of Plant Kingdom?
Plant Kingdom is a group of natural objects that includes all living and extinct plants
1.Nonvascular Plants- Bryophytes
2.Seedless vascular-Lycophytes & pterophytes
3.Naked seed plants- Gymnosperms
4.Flower plants- Angiosperms
What do they say an imperfect flower is what?
An imperfect flower is a flower that doesn't have both male and female structures.
Name and explain what Adventitious roots are?
They mainly formed from the stem, leaf. Produced both during normal development on crown roots on cereals and nodal roots on strawberry.
How do plants Absorb water?
Plants absorb waer through their roots and release water as vapor into the air through these stomata.
What is dry fruit classification?
Dry fruit are classifed as Follicles.
Name an example of a Bryophyte? Give us 2 points why the example that you chose.
Liverwort
The spore germinates develops into a flat, lobed, leaf-like haploid structure called a thallus this is one and the other is Haploid spore.
The 3 major parts of a pistil are what?
Stigma
Style
Ovary
Can you tell us what a Tendrils is?
A Tendril is a plant that can climb structures.
What is a Haploid & Diploid function in a plant reproduction?
Haploid gametophyte produces the gametes, or sperm and egg, by mitosis, that is the way a Haploid can function by reproduction. For Diploids it is the sperm fertilizes the egg, which producing leads to diploid.
Name 5 different parts of a seed.
1.Radicle
2.Seed coat
3.Epicotyl
4.Hypocotyl
5.Cotyledons
What is Bryophyte? Explain.
Bryophyte is a small flowerless green plant that comprises of mosses and liverworts.
4 types of modified leaves in Anglosperm plants? There are 3 main parts of a leaf what are they?
Leaf Tendrils
Leaf-spines
Scale-leaves
Leaf Roots
Leaf base, leaf lamina, and petiole
An modifed leaves is to adapt to its environment to survive that can make the plant have stress.
Which environment did you expect to find small compound leaves?
South Texas, dry, hot, and has plenty of energy.
What challenges did early plants have moving on land?
The challenges that plants had to move on land were that they were having a hard time to obtaining resources, staying upright, maintaining moisture, and reproducing.
How can a seed be dormant?
A seed can be dormant because of the environment that the seed was in as well as when the seed was present for germination.