« previous next »

Author Question: Circulatory systems in molluscs A) are open in all species of molluscs. B) are (Read 543 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Sep 7, 2013
Circulatory systems in molluscs
A)  are open in all species of molluscs.
B)  are closed in all species of molluscs.
C)  are open in species of large-sized molluscs and are closed in species of small-sized molluscs.
D)  are open in species of small-sized molluscs and are closed in species of large-sized molluscs.
E)  are open or closed without regard to body size.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Sep 9, 2013
Choose D

GL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Root Systems of Eudicots and Monocots Root Systems of Eudicots and Monocots
The effects of aging can be seen in the decline in function of many physiological systems. The effects of aging can be seen in the decline in function of many physiological systems.
Organ Systems Organ Systems
The male and female reproductive systems. The male and female reproductive systems.
Necator americanus. The cutting plates around the mouth are used to tear open blood vessels of the ... Necator americanus. The cutting plates around the mouth are used to tear open blood vessels of the ...
Lever Systems and Leverage Lever Systems and Leverage
Video: Rena arc construction

For a complete list of videos, visit our video library