BIOLOGY MIDDLE SCHOOL

Lynn Margulis developed the endosymbiont theory to explain the evolution of certain eukaryotic organelles, such as chloroplasts and mitochondria. According to this theory, which of these events occurred to an ancient prokaryotic cell? A. Mutations caused the cell's DNA to direct the synthesis of new organelles.
B. The cell nucleus divided and changed to form other types of organelles.
C. The cell took in another ancient prokaryotic cell, which began living inside it.
D. The cell membrane divided and changed to form new types of organelles.

Answers

Answer 1
Answer: C. The cell took in another ancient prokaryotic cell, which began living inside it.

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What is a succesional stage

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It is the observed process in change.
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Sequence the following steps of the cell division process. 1. the chromosomes align
2. the DNA duplicates
3. the chromosomes separate

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2 1 3.


please review your notes if there are any. I wish you the best of luck.

From a student to a student.

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Amoeboids engulf their prey with

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Its pseudopoodia and blah blah blah
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How would being able to detect damaged members of a prey species be beneficial to individual prey?

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The damaged prey in the species acts as a benefit to individuals, as they are easy targets for the predators.

What are prey and predators?

The predator is the organism that fed on the other organism for food. The prey is the organisms on which predators fed.

The damaged prey has been an easy target for the predator. The predator is able to easily feed on the damaged species. The predation of the prey results in the release of several chemicals that are sensed by the prey species.

The release of chemicals informs the other prey species about the presence of a predator in the surrounding. Thereby, the easy target damaged prey act beneficial to individuals with the release of chemical compounds.

Learn more about prey, here:

brainly.com/question/1446737

Answer:

In all different levels of the food webs and food chains, it is seen that damaged members of the prey have become easy food for the predators.

Explanation:

Preys can identify the other members of their species are injured or wounded or fed by the predators by their body fluid in as if a predator eats the prey the blood or other body fluid releases. These fluids or blood help individual prey species to be aware of the predator as they recognize that their species member is wounded or consumed by there olfactory receptors.

There are several other chemicals cue that is species specif that are released by the prey to alarm the other species member by injured or dead members.

Thus, the correct answer is - In all different levels of the food webs and food chains it is seen that damaged members of the prey have become easy food for the predators.

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Compounds are made up of two or more elements. bonds. charges. none of the above

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 compounds are made of elements
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Substances with a high pH level are called __________; this is the opposite of being acidic. a. wadis
b. alkaline
c. buoyant
d. outlets

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The answer is letter B.

Substances with high pH level are called alkaline. Alkaline are substances that have a pH greater than 7 and they have a relatively low concentration of hydrogen ions. This is the opposite of being acidic leaning towards the other end of the spectrum. Lemons, green vegetables, root vegetables, garlic, and cayenne pepper are some food that have high concentrations of alkaline that balance acidity of recipes. It should be included in one’s diet because it prevents shares of complications that are taken from high-fat and acid types of food. 

Answer:

b

Explanation:

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What is nucleotide sequence of the DNA

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The nucleotide sequence of the DNA is GACT or RNA, which is the molecule. Hope this helps :)
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Who is the curve for inventing the first structure of DNA

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James Watson with Francis Crick invented first DNA structure.
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Fungi cell walls are _____. made of cellulose, like plants,
made of polysaccharides and chitin,
permeable,
semipermeable

Answers

Answer:

made of polysaccharides and chitin.

Answer:

made of polysaccharides and chitin

Explanation:

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