Blood is returned to the heart of a fish from the tail through a vessel known as the renal portal vein

How do organisms in the Subphylum Sarcodina move?
pseudopodia

How do animal cells move in a watery environment?
cilia
flagella

How do animal cells stick to each other?
glycocalyces

Blood is returned to the heart of a fish from the tail through a vessel known as the
renal portal vein
posterior vena cava
renal vein

What is the purpose of the vaseline in the transpiration experiment?
block stomata
reduce transpiration

The openings through which gases enter and leave the leaves of plants are called:
stomata

In vascular plants, water and minerals are transported through:
xylem

The tracheophytes are commonly known as
vascular plants

Tracheids
join to form xylem

Transport systems are needed by:
trees
large animals

The delivery of nutrients and the elimination of wastes are imporant to:
cells deep within an organism
cells making up the surface of an organism
nerve cells

Diffusion is a/an:
slow process
imporant process in delivering materials to cells
important process in removing materials from cells

How does a Paramecium accomplish respiration?
CO2 diffuses outward through cell membrane
O2 diffuses inward through cell membrane

Why was a heat shield used for study of light intensity vs. rate of photosynthesis?
heat affects enzyme activity
Elodea is a water plant and is not used to warm temperatures
to reduce confounding factors