1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Wewaii [24]
2 years ago
10

Which statements about the circulatory system of a mollusk are true?

Biology
1 answer:
goldenfox [79]2 years ago
5 0
<h3><u>Answer;</u></h3>

A. Gas exchanges takes place by diffusion.

B. It is an open system.

<h3><u>Explanation</u>;</h3>
  • Most molluscs and arthropods have an open type of circulatory system.
  • Open circulatory systems pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells.
  • Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood.
You might be interested in
Explain how the reduction in biodiversity can affect the ecological balance in the dam
Bezzdna [24]


<span>The most important point being that the natural balance in an ecosystem is maintained. This balance may be disturbed due to the introduction of new species, the sudden death of some species, natural hazards or man-made   causes. 
if biodiversity reduce so ecological balance also disturbe because ecological balance formed by biodiversity that are animals and plants.</span>
4 0
2 years ago
PLEASE HELP MEEEE
lyudmila [28]

Answer:

ate consumers

Explanation:

8 0
2 years ago
Read 2 more answers
(problem 8, part 2) describe what happens at the initiation stage of transcription.
Arte-miy333 [17]
Transcription<span> proteins assemble at a hairpin loop formed by inverted repeats in the DNA template. RNA polymerase creates a nick in one of the DNA strands and begins to separate the nontemplate from the template.</span>
3 0
2 years ago
According to the theory of natural selection some individuals in a population survive while others die he proposed that survival
ollegr [7]

Answer:

Possession of inherited adaptations that maximize fitness.

Explanation:

Basically ones that are best adapted for their environment. (I'm assuming "he" is Darwin?)

6 0
2 years ago
In eukaryotic cells, the timing of the cell cycle is regulated by…
NARA [144]

Answer:

B)Cyclins regulate the timing of cell cycle

5 0
2 years ago
Read 2 more answers
Other questions:
  • Water is a _____.
    7·2 answers
  • The passive transport of water across a membrane is called: __________
    15·1 answer
  • Index fossils are fossils of organisms that ____.
    14·2 answers
  • Choose medications design to experiment test impact on the heart rate
    15·1 answer
  • A student observes this cell under the microscope. He is discussing the structure indicated by the arrow with his lab partner. W
    12·1 answer
  • Use the ideas of natural selection to suggest how woolly mammoths may have developed..
    6·1 answer
  • Que relación tiene el sistema nervioso con el sistema sexual​
    5·1 answer
  • The largest ape that walked on Earth was a prehistoric
    7·1 answer
  • Which statement best explains why a third domain, Archaea, was added to the original two domains of Bacteria and Eukarya?
    7·1 answer
  • Recycling of carbon through decomposition is carried out by which organisms?.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!