2.4 Reproduction in plants Flashcards
These higher plants belong to a group of gymnosperms known as _.
conifers
T/F
Most conifers have narrow, needle shaped leaves with thin cuticle, which enable them to live in extremely cold and hot environments.
False, they have thin cuticles
Most conifers have narrow, needle shaped leaves with thick cuticle, which enable them to live in _ and _ environments.
extremely cold and hot
_ are evergreen and do not shade their leaves both in winter and summer.
Conifers
T/F
Conifers are evergreen and they shed their leaves both in winter and summer.
False, they don’t shed their leaves
Podocarpus falcatus (“_“)
Zigba
Juniperus procera (“_”)
Tid
T/F
A pine tree has male and female cones on different plants.
False, they are on one plant
Initially, pollen is transferred from the _ cone to the _ cone.
male, female
Define pollination.
It’s the process by which pollen is transferred from the male cone to the female cone.
Initially, pollen is transferred from the male cone to the female cone. The process is called _ and occurs with the help of _.
pollination, wind
Following pollination, the pollen completes its _.
germination
Following _, the pollen completes its germination.
pollination
Following pollination, the pollen completes its germination and produces the _ inside the _.
male gamete, female cone
The _ is also produced in the female cone.
female gamete
The male and female gametes fuse (unite) and form a _.
zygote
Define fertilization.
It is the process by which the male and female gametes fuse (join) to for a zygote (fertilized egg).