Lab 3 Quiz Prep Flashcards
What do preserved pollen grains look like?
- a bunch of little dots.
- suture lines
What do unfertilized ovules look like?
- fidget toy with 3 circles, big one, medium one inside, and smaller one inside. shaped like a funky triangle.
- ovules
What do cs-lily flower with pollen in anthers look like?
- looks like an ovary with a snake ladder thingy attached to one side.
- pollen & anther
What do central ovary (with ovules) look like?
- looks like a legit ovary with dots around it.
- ovary & ovules
What do mature embryos look like?
- glasses with one side spilling out, got some teeth in its tubes.
- fertilized and unfertilized ovules
Draw and label, bean, pea and corn. Are they endo or non-endo?
- Bean and pea are non-endospermic
- Corn is endopsermic
Where do non-endospermic seeds vs endospermic seeds get nutrients/food?
- Non-endospermic seeds draw their food from cotyledons
- Endospermic seeds draw their food from endosperm
Difference between dehiscent vs indehiscent
- Dehiscent means fruits open when mature
- Indehiscent means fruit doesn’t open when mature
Draw a diagram of fruit features (pericarp, exocarp, mesocarp, endcarp, funiculi, placenta, etc.)
Draw and label corn, beans, and peas from 24-soaked to 5 days old to 10 days old.
Endocarp?
- fruit pit
Mesocarp?
Flesh or pulp
Exocarp
Skin
Pericarp
Endocarp
Mesocarp
Exocarp
Funiculus?
Tissue that connects seed to the fruit
Placenta?
Part of ovary that is attached to funiculus
Features of a bean seed
Epicotyl
Seed coat
Hypocotyl
Radicle
Cotyledon
Features of a pea seed. What part grows up and what part grows down?
Testa
Plumula
Hypocotyl
Radicle
Cotyledon
Plumule grows up to fresh air and radicle grows down into the ground
O
Features of corn
Endosperm
Cotyledon
Epicotyl
Hypocotyl
Radicle
Seed coat
