Plant Form and stem Cells

Question 1

Difference between animals and plants

Answer 1

Animals Are:
Mobile, determinate development, little developmental plasticity, not regenerative

Plants are:
Mobile,indeterminate development, lots of developmental plasticity

Question 2

Types of development

Answer 2

Determinate development: growth ceases after maturation or after a certain period of time

Indeterminate: growth that continues throughout life of individual

Question 3

What is developmental plasticity?

Answer 3

The extent to which environment of early life affects the phenotypic traits in later life of individual

Question 4

What are the phases of plant development?

Answer 4

Embryogenesis, Vegetative, Reproductive

Question 5

Types of meristem

Answer 5

Primary Meristem: root apical, shoot( axillary) apical

Lateral Meristem( in woody plants): Vascular cambium, Cork cambium

Question 6

What is Phyllotaxy/ phyllotaxis ?

Answer 6

Arrangement of leaves and branches around the stem

Question 7

Types of Phyllotaxy and examples

Answer 7

Alternate: grasses

Spiral: sunflower, pinecones

Opposite: Peppermint (Labiatae/Lamiaceae)

Whorled: sticky willy ( Galium aparine)