BIOLOGY HIGH SCHOOL

Why is killing its host usually disadvantageous for a parasite?

Answers

Answer 1
Answer: It leaves the parasite stranded in the host making it tough to survive!
But also nature can take it's natural course and solve the problem by
-- You Guessed It -- Mutation, adapting to the problem. By mutation 
the parasite may be able to make itself air-borne, spreading from host
to host!
Answer 2
Answer: sometimes the parasite might live off of the host.

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When 2 species require the same limited resources and can reduce the overall health of one or both species is an example of: a. Predation b. Mutualism c. Competition d. Predation

Answers

This is called competition since they both require the same thing and are “competing” for it against each other.

Final answer:

Competition is when two species require the same limited resources and can reduce overall health. In biology, it refers to the interaction between species that negatively affects the population size or health of one or both species.

Explanation:

The correct answer is c. Competition.

In biology, competition refers to the interaction between two or more species that require the same limited resources and can negatively affect the overall health or population size of one or both species.

For example, in a forest, two species of birds may compete for the same nesting sites or food sources, leading to a decrease in the reproductive success or survival of one or both bird species.

Learn more about Competition here:

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Where does a peptide bond form?

Answers

A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). This is a dehydration synthesis reaction (also known as a condensation reaction), and usually occurs between amino acids.
  A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O).

In a river, large boulders are transported by _____.A. Solution
B. Traction
C. Suspension
D. Abrasion
Which answer choice is the correct one? Thank you.

Answers

The correct answer is B. Traction.

Traction is the force that generates movement of objects that have a desire to remain immovable.

Answer: B. Traction

Traction is a geological process in which a mechanical force transports larger and heavier rocks by sliding and rolling along the substratum. Traction occurs by water erosion. It results in the movement or transportation of large rocks stones or boulders, which are otherwise settled at the bottom, by the force exerted by the water current. These rocks, stones or boulders gets displaced from their sites and attains a rolling movement due to fast flowing water current.  

Scientists discovered similar fossils in rock masses on continents located both sides of the Atlantic Ocean.How does this discovery provide evidence supporting the theory plate of tectonics?

Answers

Explanation:

Because these fossils would have had no way to get across the ocean, especially for large terrestrial animals. The continents used to be in different locations, allowing some animals to cross. These animals then died on different continents as they shifted, thereby proving that the continents used to be much closer than they are now.

The smallest unit that retains the properties of an element is a(n) _____.

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The smallest unit that retains the properties of an element is an atom. An atom is the smallest unit of matter that has the element's properties and every state of matter is composed of atoms.

The given blank can be filled with the atom.  

An atom is the minutest component of a matter, which exhibits the characteristics of a chemical element. Every liquid, solid, plasma, and gas comprises ionized or neutral atoms.  

The atoms are extremely small, the usual sizes are about 100 picometers. Each atom contains a nucleus and one or more electrons combined with the nucleus. The nucleus is formed of one or more protons and usually a same number of neutrons.  

List 4 organelles involved in cell division

Answers

nucleus,nucleolos,spindle fibers,centrioles 
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