Chapter 6 Part 1
What are the four major macromolecules?
Lipids, nucleic acids, protiens, carbohydrates
What is it called when organisms release their gametes into the water in order to reproduce?
Broadcast spawning.
Viruses that contain DNA and RNA are:
Retroviruses
Diatoms have a cell wall called frustule and it is made of:
silica
True marine plants include:
sea-grass, salt marsh, mangroves
What does an enzyme do?
Speeds up a chemical reaction.
How well a species adapts to its environment and produces offspring is called:
Natural Selection
Humans can obtain a marine virus from eating:
oysters or mussels
algae belongs to which kingdom?
Protista
What are the three types of seaweed?
Green, brown, red
This macromolecule is used by organisms for long term energy, buoyancy, waterproofing, and insulation.
Lipids
Binomial Nomenclature consists of two parts and they must stay in order. What are they?
Genus and then species. Example: Canis latrans=wolf
aerobic respiration uses ___________to release energy
oxygen
Foraminiferans have a shell called a test and it is made of:
Calcium Carbonate
The "leaf" of seaweed is called a:
blade
The process of sugars (glucose) being broken down using oxygen.
Respiration.
To counter the challenge of salt, marine life either becomes an osmoconformer or ______________.
Osmoregulator.
What are the four shapes of bacteria?
rings, spheres, spirals, rods
Fungi have cells walls made of:
Chitin
Which flowering plant (true marine plant) is a place for crabs to feed?
Salt marsh
Prokaryotic cells have flagella while eukaryotic cells have flagella and _________.
Cilia
What are two of the four reasons why the cell membrane is important?
1) selective permeability
2) maintains homeostasis
3) facilitates communication between cells
4) protects the cell
What is the main difference between heterotrophs and autotrophs?
They way they obtain energy. Autotroph=light, heterotroph=eating other organisms
Viruses that infect bacteria are called:
bacteriophages
What are the three factors of economic importance of marine plants?
Fish resources, tourist attractions, protect land from storms.