bio exam

Question 1

Characteristics of life

Answer 1

Internal organization: tissues, organs, organ systems
Reproduction
Growth & Development
Homeostasis & Regulation
Produce waste
Responds to environment
Evolves

Question 2

Eukaryotes

Answer 2

1 or 2 layers
has nucleus
large
can form multi-cellular life
both membranous and non membranous organelles
ex. Plants, animals

Question 3

Prokaryotic

Answer 3

3 layers
non membranous organelles
no nucleus
small
single celled
ex. bacteria

Question 4

Nomenclature

Answer 4

genus + descriptor word used to name species

Question 5

taxonomy

Answer 5

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 6

Kingdom Plantae

Answer 6

multicellular
eukaryotic
cells made of cellulose
have chlorophyll
perform photosynthesis

Question 7

Kingdom Fungi

Answer 7

heterotrophic
make spores
single celled example: yeast
multi cellular example: fungus

Question 8

Animal Kingdom

Answer 8

no cell wall
heterotrophic

Question 9

Protists kingdom

Answer 9

eukaryotic
unicellular
can be animal, plant, or fungus like

Question 10

Bacteria kingdom

Answer 10

cocci, bacilli, or spirals
flagella for movement
asexual
unicellular

Question 11

Non vascular plants

Answer 11

no vascular tissue
no leaf stem or roots
small
ex. moss

Question 12

Vascular plants

Answer 12

contains vascular tissue
large
produces seeds and seedless
ex. tress

Question 13

Gymnosperms

Answer 13

non flowering plants
seeds found on surface of cones
ex. pines

Question 14

Angiosperms

Answer 14

flowering plants
largest and most diverse group
ex. roses, apples

Question 15

Monocot

Answer 15

1 embryonic seed leaf
veins are parallel
vascular bundles are scattered in stem
flowering parts in multiples of 3
ex. grass

Question 16

Dicots

Answer 16

2 seed leaves
veins are net like
vascular bundles arranged in a ring
flowering parts in multiples of 4s or 5s
ex. roses, sunflowers

Question 17

Root system

Answer 17

take in water and dissolved minerals
stores carbohydrates, water, and nutrients
role in plant stability and survival

Question 18

Shoot system

Answer 18

above ground parts like stems, leaves
for support
soft (herbaceous) or hard (woody)
helps plants grow, produce energy, and reproduce

Question 19

Leaves

Answer 19

site of photosynthesis
very diverse in shape, appearance, size, and number

Question 20

Plants sexual reproduction

Answer 20

pollen from male parts reaches female parts

Question 21

Plants asexual reproduction

Answer 21

uses methods like runners

Question 22

Leaf tissues

Answer 22

Vascular
Dermal
Ground
Meristematic

Question 23

Genotype

Answer 23

what forms of genes you have

Question 24

Phenotype

Answer 24

what traits you physically show

Question 25

Homozygous

Answer 25

WW, ww

Question 26

Hetorozygous

Answer 26

Ww

Question 27

Incomplete dominance

Answer 27

C^R

Question 28

Codominance

Answer 28

black and white cows

Question 29

Somatic cells

Answer 29

are diploid (46 chromosomes)

Question 30

Diploid

Answer 30

2 sets of chromosomes (46)

Question 31

Gamete cells

Answer 31

are haploid (23 chromosomes

Question 32

Haploid

Answer 32

1 set of chromosomes (23)

Question 33

nitrogenous bases

Answer 33

Adenine + Thymine
Cytosine + Guanine

Question 34

Founder effect

Answer 34

a small group breaks off and starts a new population

Question 35

Bottleneck effect

Answer 35

few survivors from disaster effecting population

Question 36

Non random mating

Answer 36

when species choose mates based on specific traits

Question 37

Stabilizing natural selection

Answer 37

maintains a stable amount of good traits in population

Question 38

Direction natural selection

Answer 38

pushes a populations traits toward 1 extreme

Question 39

Disruptive natural selection

Answer 39

pushes a populations traits towards 2 extremes