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
expeople1 [14]
3 years ago
10

Which characteristic is shared by all mollusks and echinoderms?

Biology
2 answers:
blagie [28]3 years ago
8 0
They share lack of back bone, use tube feet to move, and I’m not sure about the open circulatory system because mollusks that fall into cephalopod category have closed ones but all others have open as well as echinoderms
vlada-n [284]3 years ago
7 0

Answer:

D

Explanation:

i'm not 100% sure if this is correct

You might be interested in
Which provides long-term energy storage
Elena-2011 [213]

I think it's a nuclear

Explanation:

nuclear energy has by far the highest capacity factor of any other energy source

6 0
3 years ago
Each member of a family of 5 has eye color that is a different shade of brown. The father's eyes are a very dark brown, while th
Debora [2.8K]

Answer:

Polygenetic trait

Explanation:

Traits that display a continuous distribution, such as height or skin color, are polygenic.

4 0
3 years ago
8. In the 1940s, the scientist J.B.S. Haldane linked many human red blood
nadya68 [22]

Answer:

b. The individual's' genetic composition

Explanation:

Natural selection is an occurrence in nature in which organisms with genes that have mutated to adapt to certain ailments, survive better than their mates. J.B.S Haldane made a hypothesis that this phenomenon of natural selection accounted for why people in Africa had developed resistance to malaria. Their hemoglobin, proteins, and other compounds that are necessary for the function of the red blood cells had been modified so that they would not easily be infiltrated by malaria parasites.

A.C. Allison confirmed this in his experiment which showed that people who had sickle cell mutations in the gene, beta hemoglobin were mostly found in regions where malaria was prevalent. Their genes had also been modified such that they were resistant to malaria.

6 0
3 years ago
Bread is an example of what type of polymer
Schach [20]

Answer:

protein

Explanation:

3 0
4 years ago
What reacts with sulfur dioxide in
vekshin1

Answer:

Acid rain is caused by emissions of sulphur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.

7 0
3 years ago
Other questions:
  • When we are too hot, we perspire in order to lower our body temperature and thereby?
    13·1 answer
  • Choose one property of water that makes it unique. Describe the property and explain the chemical or physical reason that causes
    13·1 answer
  • What would increase the force of gravity between two objects
    8·2 answers
  • In a culture of bacteria, there are some individuals that are unable to synthesize histidine. What is the best and most likely d
    11·1 answer
  • Which system, the endocrine system or the nervous system, would be the better choice to regulate growth?
    7·1 answer
  • What is the best explanation of a child having the physical phenotype of Down syndrome but having a totally normal karyotype on
    8·1 answer
  • The____groups related species
    11·1 answer
  • Which of the following is NOT one of the four major processes of respiration?
    8·2 answers
  • In a warehouse, the workers sometimes slide boxes along the floor to move them. Two boxes were sliding toward each other and cra
    13·2 answers
  • How is cancer related to the cell cycle?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!