Podcast
Questions and Answers
Similar cells combine to form _____
Similar cells combine to form _____
tissue
This is a(n) _____ cell.
This is a(n) _____ cell.
animal
Xylem tissue transports _____
Xylem tissue transports _____
water
Cells are the _____ of life!
Cells are the _____ of life!
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Plants use a process called _______ to collect energy from the sun.
Plants use a process called _______ to collect energy from the sun.
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Fish have specialized structures called _____ to absorb oxygen from water.
Fish have specialized structures called _____ to absorb oxygen from water.
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A bird suited for swimming would have ______ feet.
A bird suited for swimming would have ______ feet.
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Insects breathe through small openings called ______.
Insects breathe through small openings called ______.
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To survive in their environment, fish have developed adaptations such as _____ and fins.
To survive in their environment, fish have developed adaptations such as _____ and fins.
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Animals get food from the _____ around them.
Animals get food from the _____ around them.
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A bird that eats insects hiding on tree bark would likely have a _____ beak.
A bird that eats insects hiding on tree bark would likely have a _____ beak.
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The microscope ____ the images of small objects.
The microscope ____ the images of small objects.
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On the lowest power objective lens, you should focus with which ______?
On the lowest power objective lens, you should focus with which ______?
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You should safely carry a microscope with one hand on the ______ and the other hand on the arm.
You should safely carry a microscope with one hand on the ______ and the other hand on the arm.
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True or False: When looking through a microscope, you should try to keep both eyes ______.
True or False: When looking through a microscope, you should try to keep both eyes ______.
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The Cell is the Basic Unit of ______.
The Cell is the Basic Unit of ______.
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Paramecium have special organelles called ______ that help them swim.
Paramecium have special organelles called ______ that help them swim.
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Osmosis is the diffusion of water across a ______.
Osmosis is the diffusion of water across a ______.
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Amoebas use a ______ for movement and capturing food.
Amoebas use a ______ for movement and capturing food.
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Study Notes
Living Things Characteristics
- Living things have 6 key characteristics:
- Made of cells
- Need energy
- Grow and develop
- Respond to their environment
- Adaptations for their environment
- Reproduce
- Cells are the basic unit of life.
- Plants use photosynthesis to make their own food, while animals get food from their surroundings.
Identifying Stimulus and Response
- Identify stimulus and response actions.
- Example, Sunlight coming through a window causes a plant to grow towards it.
- Stimulus: Sunlight
- Response: Growing towards the window.
- Example 2: Not paying attention, Tyler touches a hot plate and quickly removes his hand.
- Stimulus: Hot plate edges
- Response: Quickly removing hand
- Example 3: Jane does not check the weather forecast and decides to not wear a coat on February 11th. By the time she completes her 10-minute walk, she is shivering from the cold.
- Stimulus: Cold weather (without a coat)
- Response: Shivering from the cold
- Example, Sunlight coming through a window causes a plant to grow towards it.
Growth and Cells
- You start as a single cell
- You grow because you have more cells now than when you were a baby (not because cells get larger)
Fish Adaptations
- Fish have three main adaptations for survival in water
- Gills
- Fins
- Scales
Microscope Use
- Microscopes magnify images of small objects.
- Use the coarse adjustment knob on the lowest power objective lens
- Use the fine adjustment knob on higher powers
- Safely carry a microscope by one hand on the base and the other on the arm.
True or False about Microscope Use
- When looking through a microscope, try to keep both eyes open
Calculating Cell Size
- To determine cell size
- Measure the field of view of the image using a ruler
- Measure the length of the cell
- Divide the field of view by the number of cells that would fit across
Cell Organelles
- Matching cell organelles to their function:
- Mitochondria - Powerhouse of the cell
- Golgi Complex - Packaging plant of the cell
- Cell Membrane - Selectively Permeable
- Cell Wall - Made of cellulose
- Cytoplasm - Fluid in the cell
- Large Vacuole - Stores water and minerals
Paramecium Movement
- Paramecium utilize cilia for movement.
Amoeba Function
- Amoeba use pseudopods for movement and capturing food
Diffusion
- Substances in a fluid move naturally from higher concentrations to lower concentrations
Osmosis
- Osmosis is water diffusion across a membrane.
Cell Permeability
- Selectively Permeable - membrane chooses what can pass through it
Plant vs. Animal Cells
- Identify plant and animal cells
- Label organelles present in a plant or animal cell image
Combining Cells to Form Tissues and Organs
- Similar cells combine to form tissues.
- Different tissues combine to form organs.
Plant Transport Tissues
- Xylem transports water
- Phloem transports food.
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