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Flashcards in Seeds Deck (13)
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1

Is seed size dependent on sucess?

No

2

What is the issue with having large seed?

Make dispersal difficult

3

What determines seed size and number?

Parental investment

4

Whenis it beneficial to have large seed?

In stressful environments

5

What are the benefits of a large seed?

Lots of resources, per seed, can emerge from a greater depth and aggressive early growth

6

What are the benefits of a small seed?

Mass production, more offspring produced, more chances for survival

7

How may competition affect seed size?

May invest more into roots than in seeds if lots of competition

8

How is seed size plastic?

Determined by many factors, size of parent, form, dispersal mode,

9

What are the different dispersal modes?

Anemochory - by wind
Hydrochory - by water
Zoochory - by animals
Autochory - by the plant

10

Why are seeds dispersed?

Reduce competition, avoid inbreeding and exploit new habitats

11

What is endozoochory?

Inside an animal

12

What is epizoochory?

On the animal

13

What are the key life events of an angiosperm?

Seed dispersal
Seed dormancy
Germination
Pollination
Fertilisation
Seed formation