Science Review Flashcards
What are the three tissue systems in plants?
Dermal, vascular, and ground tissue
What system in a plant transports the nutrients around?
Vascular system
What does the root system do in a plant?
anchors the plant, absorbs water and minerals from the soil, and stores food
What is needed for photosynthesis to produce glucose and oxygen?
- light energy
- water
- carbon dioxide
Gases enter and exit the plant through the…
stomata
Which tissue is responsible for transporting water throughout the plant from the roots?
Xylem
Where does the plant receive water from?
the root system
The bark of the tree is composed of… and cork
phloem
In a plant, storage of food is a primary function of…
roots
A layer of tall, closely packed cells containing chloroplasts, just below the upper surface of a leaf, is called the…
palisade layer
A region of loosely packed cells containing chloroplasts, in the middle of the leaf, is called the…
spongy mesophyll
Which system in an animal could be compared to the vascular system in a plant?
Circulatory
In a tomato plant, a tomato represents…
the fruit
What are the seeds found?
dead flowers, pine cones, and fruit
What does the root cap provide for the root tip as it grows?
Protection
Water enters the roots through…
Osmosis
Which tissue system in a plant is similar in function to the skin of a human?
Dermal tissue
If there is too much damage to a cell, what happens to it?
It gets destroyed
What is metastasis?
When cancer breaks away from its original tumour and move to a different part of the body
What stage of the cell cycle is when a new nuclear membrane forms around each group of daughter chromosomes?
Telophase
What is one of the purposes of the cell wall in a plant cell?
It provides protection for the cell
What does a prokaryotic cell lack?
A nucleus
When the DNA copy is complete, each chromosome has two paired structures called…
Chromatids
All multicellular organisms begin life as _______ cells.
single
Cells that produce mucus contain many _____ ________.
Golgi bodies
The __________________ ________________ is responsible for transporting substances within a cell.
endoplasmic reticulum
______________ is the longest phase of the cell cycle.
Interphase
Random changes in the DNA that may lead to cancer cells are called __________.
mutations
Without a climate system, Earth would be much ___________ than it is.
warmer
Oceans are considered
1. heat sinks
2. carbon sinks
3. all of the above
3.
T or F: canadian forests are carbon sinks and sources of carbon
T
Actions that are taken to reduce unwanted change are referred to as …
mitigation
Sunblock prevents sunburn by blocking what type of light?
ultraviolet
Unlike thermal energy, light energy…
does not need to pass through a medium
