Test 1
Term for an explanation of some part of the natural world that has been thoroughly tested and is supported by a significant amount of evidence from observation and experiments.
Scientific theory
What element do all organic molecules have?
carbon
A bird watcher creates hummingbird food by dissolving sugar in some water. What’s the solution, solvent, and solute?
hummingbird food, water, sugar.
A organism’s role in its ecosystem including it habitat, physical requirements, time of day it’s active, its place on the food chain, and when and how it reproduces is low as an organism’s _______
What structure embedded in the cell membrane is used in facilitated diffusion
Um, chanel protein?
Organisms that make their own energy are called:
Autotrophs
Salt dissolved in water what is the salt in this scenerio?
Solute
What does a catalyst do?
speeds up reactions
in a lab experiment, the number of bacteria doubles every hour. This is an example of _____ growth
Expedentral?
Osmosis is the diffusion specifically involving what
Water
Smallest unit of an organism (one criteria for life)
Opposite of an autotroph
Heterotroph
Which of the following will have the least biomass in an ecosystem?
Scientist first to observe and coin the term for cells
Robert hook
Which organelle is responsible for synthesizing proteins in a cell
Ribosomes
Example of an animal which is an endotherm
People, Polar bears, ducks
What does the Book note as one of the most important polar covalent lay bonded compounds on Earth
Water, H2O
Transpiration and evaporation are part of which cycle?
water
Explain why a forest ecosystem will have fewer owls than sparrowas
There has to be more lower level consumers?
The maximum number of organisms of a particular species that can be supported by environment is called________
carrying capacity
Example of something which could be considered qualitative data
Sunflowers growing in the direction of the sun
Amino acids are joined together with peptide bonds to form_____
polypeptides
this question is too long I’ll read it
rough endoplasmic reticulum
Every food chain begins with:
Producers