The mnemonic for the 8 characteristics of life
DR G CHEER
Your teacher shows you a picture of dolphins swimming together. This is an example of which level of organization
Population
This type of experiment allows the scientist to control and test a single variable.
A controlled experiment
1. All living things are made of cells
2. Cells are the smallest unit of life
3. Cells come from pre-existing cells
These three piece of information contribute to what scientific theory?
Cell Theory
This organelle is a rigid outer layer that protects plant cells.
Cell Wall
Name 4 of the 8 characteristics of life
Develop and Grow
Reproduce
Genetic Code
Cells
Homeostasis
Evolve
Energy (metabolism)
Respond to stimuli
This level of organization contains both living (biotic) and nonliving (abiotic) features
Ecosystem
Biosphere
These are the two types of variables in an experiment
Responding Variable
Prokaryotic Cell
An organelle that captures energy from the sunlight in order to use it to produce food in plant cells is ______________.
Chloroplast
Pupils dilating in a dark environment, a dog barking when it hears a doorbell, and plants turning towards the sunlight during the day are examples of which characteristic of life
Response to stimuli/environment
A tissue is composed of a group of
Information gathered from observations is known as
Data
Plant cells and animal cells both are examples of which type of cell?
Eukaryotic Cells
In the cytoplasm
Attached to the rough endoplasmic reticulum
A tadpole growing into a frog is an example of which characteristic of life?
Community
A logical interpretation based off prior knowledge or experience is known as
Inference
Bacteria are examples of which type of cell?
Prokaryotic Cells
Packaging proteins into vesicles
Altering or modifying proteins
Many of our cells reproduce by making identical copies of itself. This is an example of _____________ reproduction
Asexual reproduction
The heart is represents which level of organization in multicellular organisms: cell, tissue, organ, or organ system?
Organ
A proposed scientific explanation for a set of observations that can be tested is known as
Hypothesis
Both prokaryotic and eukaryotic cells contain... (pick two)
-DNA
-Ribosomes
-Cytoplasm
-Cell Membrane
This organelle is responsible for converting chemical energy stored in food into compounds that are more convenient for the cell
Mitochondria