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nataly862011 [7]
2 years ago
13

Describe in detail how are crayfish hunts and eats its food.

Biology
1 answer:
MakcuM [25]2 years ago
8 0

Answer:

Crayfish use their large pincers to capture common prey items, such as worms, leaches, snails. Additionally, crayfish occasionally capture large prey, such as frogs, fish, salamanders and tadpoles. Frog eggs and insects are important foods for the juveniles of many species.

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The developmental period during which a being grows from a single cell to an organism complete with brain and behavioral capabil
Radda [10]

Answer:

Prenatal.

Explanation:

The sexual reproduction may be defined the process of fusion of the male sperm and female ovum that leads to the formation of the zygote. Zygote is diploid in nature.

The prenatal development includes all the stages that are involved in the development of the single cell till the completion of the nine months of the fetus. The development of all organs and the process of the cell specification all occurs in the prenatal development stage.

Thus, the answer is prenatal.

4 0
3 years ago
Read 2 more answers
What structure brings tRNA and mRNA together
tester [92]
Translation requires some specialized equipment. Just as you wouldn't go to play tennis without your racket and ball, so a cell couldn't translate an mRNA into a protein without two pieces of molecular gear: ribosomes and tRNAs.<span>Ribosomes provide a structure in which translation can take place. They also catalyze the reaction that links amino acids to make a new protein.</span><span>tRNAs (transfer RNAs) carry amino acids to the ribosome. They act as "bridges," matching a codon in an mRNA with the amino acid it codes for.</span>Here, we’ll take a closer look at ribosomes and tRNAs. If you're not yet familiar with RNA (which stands for ribonucleic acid), I highly recommend checking out the nucleic acids section first so you can get the most out of this article!Ribosomes: Where the translation happensTranslation takes place inside structures called ribosomes, which are made of RNA and protein. Ribosomes organize translation and catalyze the reaction that joins amino acids to make a protein chain.
8 0
3 years ago
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Which of the following is not one of the nitrogen bases that form the rungs of the ladder in DNA? a. adenine 2. cytosine 3. fran
Amiraneli [1.4K]

Answer:

3 francine

Explanation:

The four nitrogenous bases that compose DNA nucleotides are shown in bright colors: adenine (A, green), thymine (T, red), cytosine (C, orange), and guanine (G, blue). francine is not one of them

6 0
3 years ago
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Why have improvements in microscopes over time resulted in revisions in the cell theory? They have revealed new information abou
Evgen [1.6K]

Answer;

They have revealed new information about cell structure and processes.

Explanation;

-The Cell Theory states that, All living things are made up of cells, Cells are the basic units of structure and function in living things, and that new cells are produced from existing cells.

-Most microscopes use lenses to magnify the image of an object by focusing light or electrons.

-The Invention of the Microscope helped the development of the cell theory because it allowed the scientists to actually discover that everything was made up of cells, and what cells do to come up with that theory. If the scientists did not see that cells existed, they could not have observed the cells easily and they would not be able to construct the cell theory.

6 0
3 years ago
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Seeing a snake, and then simultaneously running away from it and becoming frightened, is the sequence of events postulated by __
Paha777 [63]

Answer:

A) the cannon bard theory.

Explanation:

the cannon bard theory is an emotion that reflects that trigger feelings and physical reactions at the same time. in this specific example fear would be a feeling and running would be a physical response. could also be described as fight or flight response.

8 0
3 years ago
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