Cat 1
All living things will have DNA or ___ as genetic material.
what is RNA?
The cell spends most of its time in which phase of the cell cycle?
What is interphase?
Active transport requires _____, while passive transport ________
What is energy and does not?
'Selectively permeability' means?
allowing some substances to pass through
A change in an organism’s environment is called what?
what is stimulus?
The two types of reproduction are sexual and ______?
What is asexual?
Which is the smallest? Atom,element,cell,tissue?
What is atom?
The following organisms make up a food chain: grass>>>> cow >>>>>> human. If you were to place the human into a trophic pyramid, the human would be a?
what is 2nd ary consumer?
The outcome of a negative feedback mechanism?
a decreased or reversal of a process
The study of relationships, between two organisms
and between an organism and its environment is called what?
what is ecology?
What is multicellular?
What type of observation describes, for example a blue fish?
What is qualitative?
the food chain is always in which direction?
what is one way?
Description of things that will pass through the cell membrane?
What are non polar
hydrophobic
small( oxygen,CO2,h2o)?
The primary function of homeostasis in living organisms.
What is to regulate internal conditions to remain stable?
Abiotic factor in an ecosystem would be plants for example. (True /False and give correct response)
What is false, biotic?
The Biuret solution is used to test for ___? (Color change)
what is protein? Bluish black.
What will MOST LIKELY happen if a new producer is introduced into a food web?
what is herbivore will increase?
Childbirth would be an example of which feedback mechanism?
what is positive?
A system that responds to changes by initiating a counteraction is called a ?
what is a feedback mechanism?
A herd of deer living in an ecosystem is called ___?
what is a population?
Organisms that feed on dead organisms are called__?
What is detritivores?
When looking at a trophic pyramid for an ecosystem. What happens to the amount of energy in the pyramid as it moves up through the different levels?
Energy decreases by 90% each level.
Human blood sugar would be an example of which feedback mechanism?
what is negative?
protein with a carbohydrate attached is called a?
what is glycoprotein?