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
gizmo_the_mogwai [7]
3 years ago
5

Identify one of the key external difference between vertebrates and invertebrates.

Biology
2 answers:
77julia77 [94]3 years ago
6 0

Vertebrates have a bilateral symmetry due to which their entire body is divided into right and left halves while the invertebrates either have radial symmetry or the bilateral symmetry. Therefore, option D is correct.

The other basic differences between the vertebrates and the invertebrates are that vertebrates have a spinal cord and a backbone while invertebrates lack them, vertebrates have well developed brain, lungs or gills in respiratory system and closed circulatory system.


Andreas93 [3]3 years ago
5 0

The correct answer is D)


You might be interested in
Which codon is the code for the amino acid serine (Ser)?
Ira Lisetskai [31]

Answer:

four codon in mRNA sequence code for serine aminoacid.

Explanation:

UCA

UCG

UCC

UCU

these four codons code for aminoacid serine.

4 0
3 years ago
Write a Claim, Evidence, and Reasoning (CER) answering the following
ehidna [41]

Answer:

Explanation:

h

8 0
3 years ago
HELP!! CAN SOMEONE GIVE ME AN EASY SIMPLE DEFINITION OF WHAT INDEPENDENT AND DEPENDENT VARIABLES MEANS?
Luba_88 [7]
The dependent variable is the variable that is being measured or tested in an experiment.

independent variable is the cause of a change in or effect on the dependent variable.
3 0
4 years ago
Which tissues are characterized as being highly cellular but avascular? nervous and muscle muscle only epithelial and connective
den301095 [7]
I think the answer is <span>epithelial and connective tissue

Muscle cells need much energy to moves its fiber, so it must be on a highly vascularized area. The nervous system also needs a blood supply to works. In fact, the brain cells use the highest amount of energy.
Epithelial and connective tissue doesn't need much energy because its main function is to protect other tissue. It also has densely packed cells to make it sturdy.</span>
5 0
3 years ago
Read 2 more answers
The use of which of the following is not an agricultural practice that benefits soil microorganisms?
Grace [21]
I believe it’s cover crops but i could be wrong hope it helps
4 0
3 years ago
Other questions:
  • In pea plants, the allele for purple flower color is dominant to the allele for white flower color. If you performed a test-cros
    9·2 answers
  • True or false: antibodies are produced and secreted by white blood cells
    14·2 answers
  • A cell nucleus if often referred to as the
    14·1 answer
  • The offspring {blank} reproduction are more likely to survive changes in the environment.
    7·1 answer
  • Macrophages digest the invading bacteria and viruses with the digestive enzymes found in cellular organelles called
    8·1 answer
  • What is apoptosis? A. The proliferation of cytotoxic T-cells. B. The receptor on a cytotoxic T-cell that recognizes MHC molecule
    7·1 answer
  • Solomon is studying for class. To remember the term _____, he uses the analogy of a thermostat in a house. For instance, when th
    14·1 answer
  • What was grifith experiment?
    9·2 answers
  • Which model best shows the movement of oxygen during photosynthesis?
    15·2 answers
  • What is the importance of metalimnion
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!