Salvinia molesta, a floating aquatic plant, first entered Lake Naivasha in Kenya when a person's fish ponds flooded. The plant quickly grew, changing the habitat of parts of the lake. This is an example of a problem due to _____.a.
reintroduction programs
c.
habitat fragmentation
b.
exotic species
d.
edge effect

Answers

Answer 1

Answer: The answer is b. exotic species.

Exotic species are species that are not native to specific ecosystem, but they have the capability to spread widely through the ecosystem, This way they can threaten native species of the ecosystem or cause environmental harm

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The tendency for the autonomic nervous system to maintain the body's internal environment in a balanced state of optimum functioning is called:

Answers

it's called homeostasis

Which protein serves as a chemical messenger?hemoglobin
actin
myosin
insulin

Answers

insulin because insulin is what i got on a test i took yesterday

insulin would be your answer.

Which formula for sulfuric acid is written correctly to show one sulfur atom, two hydrogen atoms, and four oxygen atoms?

Answers

Answer:

Formula for sulfuric acid is H2SO4

Explanation:

Sulfuric acid is highly concentrated acid. It is known as king of chemicals. It is used in making of fertilizers, paints, dyes, detergents, etc.

H2SO4 is made in laboratory in different steps from burning of sulfur and oxygen. The sulfur is burned with air and oxygen is combined with it to form sulfur dioxide ( SO2).

Then SO2 is again mixed with oxygen in the presence of catalyst vanadium. It forms sulfur trioxide ( SO3). The sulfur trioxide is allowed to absorbed in water. The mixing of SO3 and H2O forms the sulfuric acid ( H2SO4).

It is highly concentrated and its dilution is decreased to some extent for selling.

H2SO4...............

Glen is attempting to use operant conditioning to train his dog, Thor, to fetch a ball upon command. To test Thor’s understanding, Glen throws the ball and yells, “Pineapple!” Thor does not fetch the ball. Which process of operant conditioning has Thor demonstrated?

Answers

Glen throws the ball and yells, “Pineapple!” Thor does not fetch the ball.

Here, the process of operant conditioning that Thor has demonstrated is- stimuli discrimination.

A stimuli or stimulus discrimination is a behavior which results in one consequence in a particular setting and another consequence in other settings.

Thor demonstrated a stimulus generalization for its operant conditioning. Stimulus generalization occurs when there are repeated stimuli resulting to similar responses. In the situation, the operant conditioning gave a stimulus for Thor to respond on the same way but when Glen yells "Pineapple!" then his dog did not respond because it is not the same as the previous stimulus.

A researcher is collecting qualitative data pertaining to social behaviors of deer at different times of the day. How will she most likely need to organize this data?

Answers

A qualitative data is a data that cannot be quantified: for example gender, food preference and country. You can't measure the average, but you can measure the frequency of the data.

How she will organize it depends on the specific data, but in some cases (e.g.: food preference, party preference,favourite class) a pie chart might be a good idea.

How are the products of photosynthesis from the leaves get transported to all other parts of the plants

Answers

Explanation:

These sugars are transported across the plant by the phloem, a mechanism known as translocation. Sinks are sugar distribution points such as roots, young shoots, and developing plants. The product of photosynthesis is transported from source of production to the storage organs through Phloem

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