Spermatophyte

Question 1

What two Phyla make up the spermatophyte

Answer 1

gymnosperms andangiosperms

Question 2

What are some basic characteristics for a Gymnosperm

Answer 2

flowers areabsent –all seeds, therefore, form externallyand not in the fruit.

Question 3

What is the difference between female and male cones

Answer 3

Female cones arelargerthan male conesand are usually located much higher up in a tree. Female cones containovuleswhereas male cones containpollen.

Question 4

What makes Angiosperm the most successful Phyla

Answer 4

their ability to produce flowers which attract pollinators. They also have ahighlyevolved

Question 5

What do each part of an Angiosperm do

Answer 5

• Petals: Collectively called thecorolla, are usually bright in colour to attract pollinators such as birds and bees.
• Stamen: The male part of the flower that consists of an anther and a filament.
• Theanthercontains the male gametes in pollen grains.
• Thefilamentis a supportive structure that holds the anther in an upright position.
• Sepals: Collectively called thecalyx, which is the green leaves at the base of a flower that offers protection to a newly formed, budding flower.
• Carpel: The female part of the flower that consists of a stigma, style, ovule and ovary.
• Thestigmais a sticky, receptive structure that receives pollen from the anther of the flower.
• Thestyleis a supportive structure that holds the stigma in an upright position.
• Theovuleis a structure that holds the female gametes and develops into aseedafter fertilisation.
• Theovaryis a structure that contains the ovule and that becomes thefruitafter fertilisation.