plant/biodiversity
plants were the first ______ to live out of _____
They started growing on land more than _______
multicellular, water
500 million years ago
what are invasive species?
invasive species are plants that are not from Canada and they spread into a new environment
what are the four types of plant tissues?
meristematic
epidermal
ground
vascular
difference between monocot and dicot
monocot: one seed leaf, veins run parallel, petals are in groups of 3, stems are scattered, fibrous roots
dicot: two seed leaves, veins are net like petals are in groups of 4 or 5, stems are arranged in a circle tap and fibrous roots
basic structure of corn
basic structure of bean
seed coat, embryo, tip cap. inside - endosperm, cotyledon, epicotyl, hypocotyl, radicle
outside - seed coat, micropyle, hilum inside - plumule, epicotyl, hypocotyl, radicle, cotyledons
what are some diverse environmental conditions
- very hot
- very cold
- aquatic
-humid and moist
why are we invasive species harmful
they cause harm to local ecosystems and human health, and they cost billions of dollars in economic damage
location of mistermatic on plant, and functions
location of dermal tissue on plant and function
location of ground tissue on plant and function
stem and roots, and divides frequently to produce cells that become various tissues
outermost layer and produces a waxy cuticle to protect against water loss and infection
throughout the plant, photosynthesis and storage
how are plants classified?
based on major groups weather they have a vascular system, produce seeds, or bear flowers
Biodiversity definition
ecosystem definition
the number of different species and the number of individuals pf each species found in a particular ecosystem
a biological community of organisms interacting with their environment
vascular tissue names, location and functions
tracheids and vessels, throughout the plant, conducts water an dissolved minerals from roots to shoots
what would happen if their was a drought and the grass died?
what would happen if the hawks decreased
what would happen if their was a lush of vegetarian
the mouses, grasshoppers, and rabbits that depended on the grass would also decrease since they would not have anything to feed on, effecting the animals that ate them
there would be an increase of the animals below it since there wouldn't be anything that ate them
the rabbits, mice, and grasshoppers would thrive since they have a lush of food, meaning the birds, frogs, owls, and grasshoppers have lots to eat
phloem tissue name, location, function
sieve tubes, companion cells, throughout the cell, conducts water an dissolved minerals from roots to shoots
what features do rainforests have that provide ideal conditions for biodiversity?
what places have the lowest biodiversity?
what human activities contribute to the loss of biodiversity?
warm wet conditions with fertile soil providing ideal growing conditions for many different species of plants
deserts, mountaintops, polar regions
clear-cut logging, fishing, building homes, polution