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
Oksana_A [137]
4 years ago
14

Which of the following organisms has an open circulatory system?

Biology
1 answer:
Alja [10]4 years ago
8 0

Answer:

B. Spiders

Explanation:

The open circulatory system is a type of circulatory system in which the blood bathes the tissues directly. It is a characteristic of arthropods and many mollusks. Spider is an arthropod and have an open circulatory system. Spiders have a dorsal, tubular heart that serves to pump hemolymph into a dorsal artery. The arteries deliver the hemolymph into the hemocoel, the large spaces that collectively make a blood cavity. The heart has openings in its walls. These openings are called Ostia through which hemolymph re-enters the heart.

You might be interested in
Which of the following is a gene pool?
Alexus [3.1K]

A is the answer to the question

3 0
3 years ago
Read 2 more answers
Scientists have recently discovered a community of bacteria and clams living under an ice shelf in Antarctica. These organisms l
irinina [24]
Scientists have recently discovered a community of bacteria and clams living under an ice shelf in Antarctica. These organisms live under 600 feet of ice, in the absence of sunlight, and in temperatures considered too cold for most living organisms. The location where these organisms live is unusual because <span> bacteria and clams are found in the same area</span>
6 0
3 years ago
Read 2 more answers
What is the answer to this?
zloy xaker [14]

Answer:

The location in which it stores its genetic material.

Explanation:

3 0
3 years ago
Item 2
navik [9.2K]

Answer:

B. The cells of the immune system.

Explanation:

HIV is called Human Immunodeficiency, meaning it weakens the human immune system.

5 0
3 years ago
An enzyme that has become non functional due to the loss of its three-dimensional structure is said to be
tia_tia [17]
Is said to be denatured.

Denaturation occurs when the environment around has a extremely high temperature of extreme pH values comparing to the optimum values of the enzyme. Each enzyme has their own optimum temperature and pH.

In the case, the lost its three-dimensional structure and can no longer function because the shape of the active site is altered and thus it can no longer bind into substrates.
5 0
4 years ago
Other questions:
  • One characteristic of Fungi is that they have a cell wall made of chitin. What are two other characteristics of Fungi?
    11·1 answer
  • PROJECT: HOMEOSTASIS
    6·1 answer
  • If mitotic cell division is the only way a particular species of single-celled organism can reproduce, it is most likely that
    7·1 answer
  • During filtration, anything that is small enough to pass through all three layers of the filtration membrane will become part of
    15·1 answer
  • Secondary succession can only occur as a transition from primary succession. Please select the best answer from the choices prov
    12·2 answers
  • The major atmospheric byproduct of photosynthesis is
    11·1 answer
  • Archaea differ from bacteria in that archaea Archaea differ from bacteria in that archaea lack nuclei. are prokaryotic. use orga
    10·1 answer
  • As part of your undergraduate research project, you are characterizing three polypeptides of approximately equal molecular weigh
    11·1 answer
  • What properties do the following have common:<br>A.Solids and liquids<br>B.Liquids and gases​
    13·1 answer
  • Please explain the uniqueness of: Prophase I; Metaphase I; Anaphase I; and Telophase I.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!