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
Pepsi [2]
3 years ago
5

Do annelids have internal or external shell?

Biology
2 answers:
ella [17]3 years ago
7 0
Annelids have either internal nor external shell
n200080 [17]3 years ago
6 0


Annelids have neither an external or an internal shell.  Examples of annelids are

earthworms and leeches. 

You might be interested in
Skin is able to prevent most microorganisms from entering the body by
Goshia [24]
The structure of the skin is an effective barrier against bacteria. The multiple layers of epidermis, while can be invaded by foreign organisms, has a high turnover rate which means it is constantly shedding, therefore even the bacteria is shed protecting the body. Lastly, the skin's lipids maintain an acidic pH which slows and stops growth and replication of bacteria.
8 0
3 years ago
What are two possible ways that making plastics for electronic devices could impact the environment
myrzilka [38]

Answer:

RoHS applies to the following substances for electronic equipment and electrical appliances: lead, mercury, cadmium, hexavalent chromium, PBB (polybrominated biphenyls), and some PBDEs (polybrominated diphenyl ethers).

3 0
3 years ago
Energy is required for a variety of life processes including
bekas [8.4K]

Answer:

are there any sentences to choose from

7 0
3 years ago
Read 2 more answers
The build-up of toxic materials in the tissues of animals is known as
Nookie1986 [14]
Its called bioamplification
7 0
3 years ago
The cyanobacteria reproduce by simple cell division known as _____. fission fusion germination
WITCHER [35]

Answer:

fusion

Explanation:

gf

7 0
3 years ago
Other questions:
  • What surrounds a cell and separates it from its environment?
    11·2 answers
  • Help please, it’s a lot tho
    7·1 answer
  • Who invented aneroid barometer?
    14·1 answer
  • Fertilizer occurs when_____.
    6·1 answer
  • Which letter on the graph shows exponential growth.
    9·1 answer
  • If you found a singled-celled organism with a nucleus, circular chromosomes, and the ability to live in extremely salty habitats
    8·1 answer
  • What does absorption mean? A. breakdown of molecules B. enzyme activity on nutrients C. network of chemical reactions that occur
    13·1 answer
  • How do non-native species affect the populations within the ecosystem where they are introduced?
    8·2 answers
  • All eubacteria and archaebacteria are prokaryotes. Living organisms that are made up of cells that have nucleus are called _
    14·1 answer
  • What is the complementary DNA for TACGGCTTA
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!