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bio week 3
bio week 3
24
Biology
Undergraduate 1
07/16/2010

Additional Biology Flashcards

 


 

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Term

The protozoan Euglena is capable of movement due to what structure?

 

The Protozoan Paramecium is capable of movement due to what structure?

 

The protozoan Amoeba is capable of movement due to what structure?

A. Flagella

B. Cilia

C. Pseudopodia

Definition

Euglena - Flagella

 

Paramecium- Cilia

 

Amoeba-Psedopodia

Term

T or F:

 

Fungi is more closely related to plants than animals?

Definition
False
Term

What is a feature of dicots?

 

a.) branched venation

B.) fibrous roots

C.) intercalary meristem

Definition
a.) Branched venation
Term

Features of dicots:

 

Features of monocot:

Definition

Dicots: 2, branched, taproot, ring, cross, 4-5, apical

 

Monocot: 1, parallel, fibrous, scattered, ring, 3, intercalary

Term
Name the specialized epidermal cells that regulate opening and closing of stomata
Definition
guard cells
Term

plant tissues:

 

dermal

Definition
outer protective layer, guard cells regulate gas exchage through stomata
Term

Plant tissues

 

meristematic

Definition
reservoir of stem-like cells remain able to give rise to all tissue types
Term

Plant tissues

 

Ground

Definition
bulk of plant, metabolism, storage and support
Term

Plant tissues

 

xylem transport (vascular)

Definition
xylem transports water and minerals from root to shoot powered by transpiration
Term

Plant tissues:

 

 

Phloem tubes

Definition
phloem tubes carry food and hormones from source to sink driven by osmotic pressure
Term
What is the function of the endosperm tissue in a seed
Definition
source of nutrients for developing embryo
Term

Animals in what phyloem are protected by a chitin exoskeleton

a. nematoda

b.) arthropoda

c.) Mollusca

Definition
b. arthropoda
Term

Which animal phyloem includes animals that exhibit deuterostome development?

 

a.) echinodermata

b.) Mollusca

c.) cnidaria

Definition
a.) echinodermata
Term

Which phyloem is this?

dorsal mantle secretes shell or pen; mantle cavity houses gills or primitive lungs

 

use toothy radula to scrape up food; move by contraction of muscular foot or arms

Definition
Phylum Mollusca
Term

Which phyloem is this?

 

chitin exoskelton

crustacea- 3 body segments, 2 pair antennae + 3 pairs of feeding appendages

Chelicerata - 2 body segments, no antennae, paired pincers for feeding

Uniramia (insects ) 3-body segments, open  circulatory system undergo metamorphosis

Definition
Phylum Arthopoda
Term

which phyloem is this?

 

deuterostomes w. radial symmetry e.g. sea urchins, sea stars

Definition
Phylum Echinodermata
Term

which phyloem is this

 

sac-like body w. radial symmetry opening to gastrovascular cavity

cnidocyte cells contain stinging nematocysts that inject prey w. poison

Definition
Phylom Cnidaria
Term
What feature of the annelida body plan endows these animals w. a balance of streangth and flexibility?
Definition
segmentation
Term
what feature of porifera lacks symmetry and have no true tissues
Definition
sponges
Term
what features of platyhelminthes allows exhange by diffusion
Definition
flat shaped
Term
name the adaption that served to protect reptilian embryos in arid habitats
Definition
amniotic egg
Term
Name one unique features of mammals
Definition
They have hair and sweat glands
Term
Name one way in which humans benefit from resident symbiotic bacteria
Definition
example : gut bacteria aid in digestion and vitamin synthesis
Term
Name the two cells in the embryo sac that are involved in double fertilization.  What do each give rise to
Definition

one sperm + egg = 2nzygote

 

One sperm+ 2 polar nuclei = 3 Endosperm

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