Bears will eat just about anything: berries, fungi, salmon, insects, and much more. Bears are _____. herbivores carnivores omnivores

Answers

Answer 1
Answer:

The answer is Omnivores.

 

Omnivores are the type or kind of animals who eats on either animals or plants. An example of an omnivore is a bear. Bears eat on berries, salmons, fungi, and other insects. Various mammals are omnivores in the wild.

Answer 2
Answer: The answer is omnivores.
Omnivores are animals that eat both animals and plants. Since bears eat berries, fungi, salmon, insects, etc, they are omnivores. Still, depending on local or season food availability, their diet can be more herbivorous or more carnivorous. An omnivorous diet is a great adaptation for living in some less consistent environment.

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Which of the following causes a tumor to form? crossing over of homologous chromosomes control systems like signal molecules cell division through meiosis uncontrolled cell division
Please help!!! Below is a scenario about an experiment; there are three questions referring back to this scenario, so read it carefully. Sherri wanted to test what fertilizer worked best on her tomato plants. She bought 4 different brands of fertilizer, and five tomato plants. She labeled each plant A-E. She did not give plant E any fertilizer. Each plant was kept in the same location, with the same amount of sunlight, and given the same amount of water each day. Each day at noon she measured her plants. 1. What is the independent variable in this scenario? - The type of plant - The growth of the plants - The amount of water given - The fertilizer given 2. What is the dependent variable? - The type of fertilizer - The amount of water given to each plan - The type of plant - Daily plant growth 3. Select all of the controlled variables present. - The type of plant - The type of fertilizer - How much sunlight the plants receive - How much water they receive daily
Only 0.001% of water on Earth is present as soil moisture. In the water cycle, which of the following can happen to this water next?
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Amino acids are coded for by triplet bases in RNA called _____

Answers

Amino acids are coded for by triplet bases in RNA called _Codon_.

  • These codons are a sequence of three nucleotide that forms a unit genomic information encoding for a particular amino acids.
  • There are 64 different codons:-        

                      -  61 specify amino acids

                      -   3 are used as stop signals

What is a codon?

  • A codon is a DNA or RNA sequence of three nucleotides that forms a unit of genomic information encoding a particular amino acid or signaling the termination of protein synthesis.
  • The nucleotides base pair that form codon are:

          -  Adenine

           - Guanine

           - Uracil

           - Cytosine

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1. Three nucleotides encode an amino acid. Proteins are built from a basic set of 20 amino acids, but there are only four bases. Simple calculations show that a minimum of three bases is required to encode at least 20 amino acids. Genetic experiments showed that an amino acid is in fact encoded by a group of three bases, or codon. 

2. The code is nonoverlapping. Consider a base sequence ABCDEF. In an overlapping code, ABC specifies the first amino acid, BCD the next, CDE the next, and so on. In a nonoverlapping code, ABC designates the first amino acid, DEF the second, and so forth. Genetics experiments again established the code to be nonoverlapping. 



3. The code has no punctuation. In principle, one base (denoted as Q) might serve as a “comma” between groups of three bases. 

This is not the case. Rather, the sequence of bases is read sequentially from a fixed starting point, without punctuation. 





4. The genetic code is degenerate. Some amino acids are encoded by more than one codon, inasmuch as there are 64 possible base triplets and only 20 amino acids. In fact, 61 of the 64 possible triplets specify particular amino acids and 3 triplets (called stop codons) designate the termination of translation. Thus, for most amino acids, there is more than one code word.

what does mechanical digestion in the stomach involve ? ( 1point ) A. absorption of nutrients by villi B. pepsin and bile C. smooth muscle contractions D. bile and pancreatic fluid

Answers

The mechanical digestion in the stomach involves the contractions of muscle smoothly. Thus, the correct answer is C.

What is digestion?

The process of converting food into nutrients to use it as energy and for development is called as digestion. The digestion takes place mechanically and chemically.

In the chemical process of digestion, food is broken down with the help of enzymes whereas in the mechanical process of digestion food is broken down with the help of chewing from teeth or tearing.

Therefore, option C is correct as this breakdown through teeth involves contractions and relaxation of muscles.

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Final answer:

Mechanical digestion in the stomach involves the physical breakdown of food through smooth muscle contractions, which churns and mixes the food, preparing it for further chemical digestion.

Explanation:

Mechanical digestion in the stomach involves the breaking down of food into smaller bits using physical force. This process includes the smooth muscle contractions of the stomach to churn the food. This mechanical churning of food in the stomach serves to further break it apart and expose more of its surface area to digestive juices, creating an acidic soup called chyme.

These contractions isolate small sections of the stomach, moving the contents back and forth while continuously subdividing, breaking up, and mixing the contents. By moving food back and forth in the stomach, mechanical digestion mixes food with digestive juices and facilitates the further process of chemical digestion.

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Write an example of an environmental stimulus

Answers

anything that can be seen, touched, tasted, smelled or heard. it might also involve the sense of proprioception, such as the movement of the arms and legs or the change in position of the body in relation to objects in the environment .

 ex - A car drives past with the window rolled down and the music blasting, Another would be , A duck splashes in a nearby pondd .

 - Hope this helps

Which of the following is an example of chemical weathering?water breaking rocks
plant roots splitting rocks
acid dissolving limestone
wind breaking down rock

Answers

An example ofchemical weathering is an acid dissolving limestone. This is because an acid isa product of industrial and chemical processes that is used in a lot ofcommercial practices. It can dissolve limestone because the main component oflimestone is  calcium carbonate. Reactingthis with an acid produces a carbon dioxide gas. Water breaking rocks is anexample of physical weathering. Plant roots splitting rocks is an example ofbiological weathering. Wind breaking own rock is an example of physical weathering.
It would be acid dissolving limestone because the acid is the chemical weathering (when it's raining acid) and its weathering down the limestone.

All life must maintain an internal balance, despite environmental changes. This is called _____.

a.) stimulus
b.) heredity
c.) homeostasis
d.) evolution

Answers

Homeostasis is the answer
All life must maintain an internal balance, despite environmental changes. This is called _____.


c.) homeostasis

Cyclin-dependent kinases (cdks are enzymes involved with the control of mitosis; drs. lee hartwell and paul nurse won the nobel prize for physiology or medicine in 2001 for their work on cdks. what organism was used to study these enzymes

Answers

Answer:

Dr. Leland Hartwell utilized the baker’s yeast; Saccharomyces cerevisiae

Paul Nurse used a different type of yeast, Schizosaccharomyces pombe, as a model organism.

Explanation:

Dr. Leland Hartwell utilized the baker’s yeast; Saccharomyces cerevisiae, as a model system, to study the enzymes that are involved in the control of mitosis including deriving the checkpoints concepts etc. Paul Nurse used a different type of yeast, Schizosaccharomyces pombe, as a model organism.