Lab 6 To 9

Question 0

What are characteristics of phylum Cnidaria?

Answer 0

Carnivores
2 growth forms medusa and polyps
Have a planula which is a larval stage
Hydra is part of this

Question 1

What phylum is marine, jellyfish, sea anemones, corals and hydroids part of?

Answer 1

Phylum Cnidaria

Question 2

Characteristics of hydra?

Answer 2

Phylum Cnidaria
Has:
Nerve cells 
1 opening 
Diffusion through epidermis 
Radial symmetry

Question 3

What phylum is flatworms, tapeworms apart of?

Answer 3

Phylum Platyhelminthes

Question 4

Characteristics of phylum Platyhelminthes

Answer 4

Known as pathogens which cause disease

Also planarian is part of this phylum

Question 5

What are the characteristics of planarian?

Answer 5

Part of phylum Platyhelminthes 
Have:
Ganglion "brain"
Nerves
Nerve cells
Sense organs 
1 opening 
Flame cells (nephridia)
Diffusion through epidermis
Bilateral symmetry

Question 6

What phylum do insects belong to?

Answer 6

Phylum Arthropoda

Question 7

characteristics of daphnia

Answer 7

Part of phylum Arthropoda 
Has:
Brain
Nerves 
Nerve cells 
Sense organs
Heart
1 opening 
Flame cells
Diffusion through epidermis 
Exoskeleton 
Jointed appendages 
I

Question 8

Characteristics of Rats?

Answer 8

Have:
Brain 
Nerves 
Nerve cells
Sense organs 
Heart 
Blood vessels
2 openings
Kidney 
Flame cells 
Lung
Endowment on
Jointed appendages
Bilateral

Question 9

How to make lab report?

Answer 9

Title 
Abstract 
Introduction
Methods / materials 
Results 
Discussion /conclusion
Bibliography

Question 10

How to use the experimental method?

Answer 10

1) observations and questions
2) proposing hypothesis
3) design an experiment to test hypotheses
Need to have a dependent variable (measuring in response to the independent variable) and independent variable (variable you manipulate) and a controlled group (all other variable which may affect the dependent variable)
4) number of replicates you choose to run
5) experimental design must be repeatable

Question 11

What is species richness ?

Answer 11

the total number of different species

Question 12

How to find Simpson index and Simpson reciprocal index ?

Answer 12

Simpson index = total amount of individuals in one specie divide by 1
Simpson reciprocal = take Simpson index number and square and then adding all different species number and then divide by 1

Question 13

What is plankton? How many kinds?

Answer 13

Organisms that live in water and drift with currents 
3 different types:
Phytoplankton
Zooplankton
Bacterialplankton

Question 14

What is a primitive trait ?

Answer 14

Present in common ancestors

Question 15

Derived trait?

Answer 15

Not present in common ancestor

Question 16

What phylum do molluscs (snails, clams ect) come from?

Answer 16

Phylum molluscs

Question 17

Characteristics of phylum molluscs?

Answer 17

3 tissue layers: endoderm, mesoderm, ectoderm
They are protosomes “first mouth”
Bilateral symmetry
Possess trochophore and/or veliger larvae

Question 18

What phylum and class are mussels part of?

Answer 18

Phylum molluscs and class Bivalvia

Question 19

Characteristics of class Bivalvia?

Answer 19

Mussels
Anterior adductor muscle and posterior adductor muscle
Bulge on shell called umbo
Has foot projects out anteriorly
Mantle enclose visceral organs and muscular foot

Question 20

Suspension feeders (mussels) rely on?

Answer 20

Their ctenidia/gill into bring water into mantle cavity via incurrent siphon and waste out through excurrent siphon

Question 21

Deep sea hydrothermal vents rely on?

Answer 21

Through a symbiotic relationship with chemosynthetic bacteria housed in the tissue.
Muscle obtain raw materials from environment in exchange for sugars created by bacteria

Question 22

Characteristics of phytoplankton ?

Answer 22

Consists of Cyanobacteria (blue-green) algae and eukaryotic algae. Photosynthetic and are primary producers of planktonic systems

Question 23

Characteristics of zooplankton?

Answer 23

Feed primarily on phytoplankton

Few types feed on each other are then considered secondary consumers

Question 24

Characteristics of bacterioplankton?

Answer 24

Exclusive of the Cyanobacteria

Are Heterotrophs and responsible for breakdown of organic matter