Organelles
This organelle controls what enters or leaves the cell
cell membrane
Which is larger - biosphere or ecosystem?
biosphere
All cells come form ____ cells
old, pre-existing
Scientists use this tool to view cells
microscope
Organ system that controls movement of muscles, senses like sight and sound, and the body's reaction to any stimulus.
Nervous system
If a population that reproduces asexually is struck by a disease and dies off, we could say it is because this disease exposed their ________ that they all share
Weakness
the portion of the cell within the membrane that includes a "jelly" like fluid and all organelles except for the nucleus.
cytoplasm
A pod of dolphins is an example of what?
Every living organism is made of these.
What are cells?
True or False - You use the fine focus first.
False, you use the coarse focus
The system that breaks down food for cells to use nutrients and energy.
Digestive System.
Rocks, pens, and tables are examples of these things.
What are non-living things or abiotic
This organelle is the rigid outer layer.
cell wall
A group of organs that work together to perform a specific function is known as what?
organ system
Living things with one cell are called this.
What is unicellular?
What is the part where you put your slide?
stage
The main jobs of the Skeletal System are....
give our body shape, Protect, and help us move
People, plants, and bacteria are consider these.
What are living things or biotic
controls all the activities of the cell, including cell reproduction and protein synthesis
Nucleus
What is the smallest level of organization?
atom
Living things with two cells or more are called this.
What is multicellular?
The Independent Variable (IV) and the Dependent Variable (DV) go on which axis on a graph?
IV on the horizontal x-axis
DV on the vertical y-axis
Organ system responsible for gas exchange (not that kind of gas)
Respiratory system
What type of reproduction requires just ONE parent
asexual
What organelles does a plant cell have that an animal cell does not?
chloroplast and cell wall
What is the smallest unit of life?
cells
Which type of cell is boxy and green?
plant cells
If you're testing how much light affects the growth of a plant, identify a control variable and explain which it should be the same
Amount of soil or water
Environment
Type of plant
Millions of cells that work and connect together create .......
Tissue
Give a reason why viruses should not be considered biotic?
not made of cells, need host for many things, etc
In animal cells, these are generally small. Sometimes a single one of these can take up most of the interior space of the plant cell.
Vacuole
Put these in order from smallest to largest - population, ecosystem, community
population, community, ecosystem
List 2 of the 3 parts of Cell Theory
All living things are made of cells
Cells are the smallest unit of life
New cells come from old cells
We're growing tomato plants and testing the effect of music on the plant's height. What is the DV?
the plant's height
Organ system that transports oxygen and food around your body
Circulatory system
What's the difference between prokaryotes an eukaryotes?
Prokaryotes are unicellular and eukaryotes are multi-cellular.
What is the powerhouse of the cell?
mitochondria
How is a community different from an ecosystem?
ecosystems include biotic and abiotic factors
List 4 characteristics of life
cells
DNA
Reproduce
Grow/Develop
Respond/adapt to environment
obtain/use energy
Why do you always start on the lowest magnification when looking through a microscope?
easier to find the sample
What does the endocrine system do?
hormones
What would you classify bacteria as?
organism and/or cell