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liberstina [14]
3 years ago
12

Organisms that swim freely and maneuver actively in the water column are called what?

Biology
1 answer:
ohaa [14]3 years ago
4 0

Answer:

Zooplankton - Animals (mostly microscopic) which drift freely in the water column.

Explanation: Zooplankton, small floating or weakly swimming organisms that drift with water currents and, with phytoplankton, make up the planktonic food supply upon which almost all oceanic organisms are ultimately dependent.

Hope this helped!!

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How can organism's be so unique if the nucleotides making up DNA are all the same between organism's?​
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Every organism is unique, even though the nucleotides making up DNA are all the same, because the structure is different in every organism. In other words, it's just the order in which nucleotides are placed that differs each organism from one another.

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3 years ago
Which statement would be used in an argument against the use of human embryonic stem cells for therapy?
Marizza181 [45]

The statement 'obtaining embryonic stem cells for use in therapy requires the destruction of embryos' would be used in an argument against the use of human embryonic stem cells for therapy. It is a type of stem cell therapy.

<h3>What are embryonic stem cells?</h3>

The embryonic stem cells are cells obtained from embryos that have the property to divide and specialize into different tissues.

The embryonic stem cells can be differentiated in the laboratory for the development of specific cell lineages.

The therapy using embryonic stem cells involves the use of these types of cells and the destruction of an embryo.

Learn more about embryonic stem cells here:

brainly.com/question/18243320

7 0
2 years ago
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What is the physical appearance/characteristics of a cheetah?
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7 0
3 years ago
the __________ __________ is made up of two concentric membranes and is continuous with the membrane of the endoplasmic reticulu
Kobotan [32]

Answer:

The <u>nuclear  envelope</u> is composed of two concentric lipid bilayer membranes separated by an intermembrane space of about 20-40 nm. The outer membrane is continuous in many places with the rough endoplasmic reticulum. Like the rough ER the outer membrane of the nuclear envelope is dotted with ribosomes.

5 0
2 years ago
Which is not the defining characteristic of an acid?
Diano4ka-milaya [45]

Taste bitter  is not the defining characteristic of an acid.

<h3>What is the definition of acids?</h3>

Acids are a type of substance that is very present in our daily lives. For Chemistry, they are substances that release H+ ions in an aqueous solution, decreasing its pH.

In this case, is a characteristic of an acid the turn litmus red, reacts with bases to form salts and react with metals to form H2 gas.

See more about acids at brainly.com/question/14072179

#SPJ1

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2 years ago
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