Bio 2 Lab Practical Review Sheet

some things were not included that were not able to be put in flashcard form. Some things were common sense such as "knowing how to read a dichotomous key," etc.

Independent Variable

x, does not rely on dependent variable

Dependent variable

y, replies or responds to independent variable

control

participants that receive no treatment

how does a hypothesis contain IV and DV

If (x), then (y)

ancestral traits: legs, warm blooded, hair/fur. Derived traits: thumbs

How can genetic distance help us see realtionships?

Less genetic distance = more related organisms

How to calculate magnification

Take the power of the objective (4X, 10X, 40x, 100x) and multiply by the power of the eyepiece, usually 10X.

All scanning lenses and their magnification power

Scanning (4x), Low (10x), High (40x), and Oil Immersion (100x)

How do keys mirror the evolutionary process?

organisms through the process of evolution developed different observable traits

this represents ___ algae

filamentous

parenchyma classified by

intercellular air space

collenchyma classified by

cell walls

sclenchyma classified by (red color)

cell walls with lignin

xylem (red) and phloem difference under microscope

xylem big cells, phloem small cells

dermal cell classification

cells with the explicit looking thing

guard cells

outside of stomata

stomata

in between guard cells

Roots:

sweet potato, carrot radish

Stems:

celery, broccoli, ginger, onion

Leaves:

spinach cabbage, brussel sprouts

Flowers:

broccoli, artichokes

Fruits:

zucchini, squash, tomatoes, apples, berries, peppers, green bean

answer blanks, then #s, then \*s

petal, sepal, anther, filament, stigma, style, ovary

how have flowers adapted to pollinator groups?

they develop distinct scents, as well as shapes or sizes specific to certain pollinator beaks, etc

what are the whorls (makes a flower complete)

sepals, petals stamens, carpels

what makes a flower perfect

stamens and carpels