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Bio 112 Test 2 Flashcards
Test 2 flashcards
49
Biology
Undergraduate 1
03/22/2010

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Term
The name for the type of growth which comes from a lateral meristem such as the vascular cambium
Definition
secondary growth
Term
The name for the type of growth which comes from an apical meristem such as an apical bud.
Definition
Primary growth
Term
Common name for the male gametophyte of a seed plant.
Definition
pollen grain
Term

What an incomplete flower and an imperfect flower would be.

Definition
pistils or stamens
Term

The part of the ovule which develops into the seed coat.

Definition
entegument
Term
The four main types of tissues found in the higher plants and examples of each type.
Definition
Fundamental, protective, vascular, meristomatic
Term
Definition for the term germination; and the requirements for it to occur.
Definition
growing- moisture, oxygen, and right temperature
Term
Leaf-like structures that enclose and protect a flower bud; what these structures are called collectively.
Definition
sepals- calyx
Term
What fuses with the polar nuclei to form 3N endosperm in the angiosperms.
Definition
sperm cell
Term
  The tiny opening in the ovule through which the pollen tube enters to discharge its contents.
Definition
micropyle
Term
What a tap root, fibrous root, adventitious root, or propagation root system would be.
Definition
 tap root (dicots), fibrous root (multiple root), propagation root system (get a new plant from)
Term
The tissue within the leaf where most of the photosynthesis occurs.
Definition
mesophyll
Term
The structure which gives rise to both secondary xylem and secondary phloem.
Definition
vascular cambium
Term
How an annual ring is formed
Definition
secondary xylem
Term
Difference between sapwood and heartwood.
Definition
Age- sapwood is newer, heartwood is more expensive
Term
Function of stomates and lenticels; where each are found.
Definition
gas exchange is on leaf
Term
Name of cells that surround the stomates.
Definition
guard cells
Term
What cells the cortex region of the root is made up of and adapted for.
Definition
parychema cells- storage and support
Term
What the pericycle, endodermis, hypodermis and pith of a root would be.
Definition
pericycle (separates vascular cylinder), endodermis(separates paracycle from cortex), hypodermis (separates cortex from epidermis) and pith (center parychema cells)
Term
The three parts of the biotic enviroment.
Definition
producers, consumers, decomposers
Term
Definitions for the terms food chain and food web
Definition

food chain- transferring energy from eating or being eaten

Food web- interlocking patterns of food chains

Term
Which trophic levels the following belong in: producers, herbivores and carnivores.
Definition

producers- 1st

herbivores- middle

carnivores- top

Term
The meaning of abiotic and biotic parts of the environment
Definition

abiotic- non living

biotic- living

Term
Some of the major consequences a ―Run-away Greenhouse Effect‖ could have on the earth
Definition
malaria, crowding of species, severe storms
Term
What role the release of Chlorofluorocarbons (CFC’s) play in the loss of the ozone in the stratosphere.
Definition
comes from freeon- its a solvant
Term
How many chlorine atoms does it take to destroy up to 100,000 molecules of ozone?
Definition
1
Term
Definition for the term humus.
Definition
dead plant and animal remains
Term
The three layers of the atmosphere
Definition
trophosphere, stratosphere, ionisphere
Term
The two habitats on earth where the richest animal life is seen.
Definition
estuaries, and coral reefs
Term
Where the longest coral reef is found.
Definition
great barrier reef
Term
What characteristic of water prevents it from freezing solid in a lake?
Definition
It freezes at zero, it gets dense at 4 degrees (sinks to warm up)
Term
The essential organs for reproduction in a flowering plant
Definition
pistils and stamens
Term
An adaptation of seed plants that allows fertilization to occur without the aid of water.
Definition
pollen tube
Term
The part of the embryo plant that develops into the first leaves, the stem and the root of the sporophyte
Definition
epicotle, hypocotle, and radicle
Term

Process by which spores of a seed plant are produced.

Definition
meiosis
Term
Chromosome number for the endosperm of an angiosperm, and the zygote within the embryo sac.
Definition
3N, 2N
Term
Term used to designate all the petals collectively.
Definition
Corollas
Term
. Part of the seed plant adapted to catch pollen.
Definition
stigma
Term
Are the microgametophyte & megagametophyte of a seed plant independent or dependent upon the sporophyte plant.
Definition
dependant
Term
How reproduction in a fern and a seed plant differs as to number of spore types formed; in other words are they homosporus or heterosporus.
Definition

fern- homosporus

seed plant- heterosporus

Term
What part of the stamen the pollen grains are formed within of a seed plant.
Definition
anther
Term
What structure the sperm cell of a seed plant reaches the egg cell through
Definition
pollen tube
Term
Function of the funiculus
Definition
hold annules in place
Term
The relationship of the fruit to the ovary and the seed to the ovule in seed plants
Definition

fruit- mature ovary

ovule- immature seed

Term
What adaptation the ripened ovary of a ―Touch- Me- Not‖ or ―Jewelweed‖ plant is used for ?
Definition
seed dispersal
Term

By Using The Numbers 1 Through 10, Rearrange The Following In The Order They Would Occur In A Three Year Old Woody Stem. (Start With The Innermost Tissue As Number One)

Vascular Cambium, Pith, Cork Cambium, Epidermis, Primary Xylem, First Annual Ring, Phloem, Second Annual Ring, Third Annual Ring and Cortex

Definition

1-pith

2-primary xylem

3- 1st annual ring

4- second annual ring

5- thierd annual ring

6- vascular cambium

7-phloem

8-cortex

9-cork cambium

10-epidermis

Term
It is often said by ecologists that one individual living in a developed country such as the US cannot be counted as ecologically equal to one individual from a developing country. Why?
Definition
we consume more
Term
Commercials on TV use food and sex as their most attractive selling points. Explain how flowers use the same two attractants to ―sell‖ their pollen to animals.
Definition
color, smell, mimics (pretends)
Term
Many animal rights activists have claimed that if beef cattle were eliminated, more people could be fed. What is the ecological basis behind the argument in support of this position?
Definition
drop a trophic level
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