Review this scenario. Rainbow trout are a freshwater fish native to streams and lakes along the western coast of North America. While studying streams in the eastern United States, an ecologist noticed that rainbow trout were abundant in the ecosystem, but other native species of fish were almost entirely missing. She also observed lower populations of macroinvertebrates. The ecologist wondered why there were so few native fish species and macroinvertebrates. By reading ecological reports of the area, the scientist learned that rainbow trout had been introduced to the streams for sport fishers to catch. Initially, 100 fish had been introduced, but the ecologist conducted a field survey and estimated that over 1,000 rainbow trout now lived in the streams. She also read from other studies that rainbow trout feed primarily on macroinvertebrates. Which question most closely relates to the ecologist's observations and the collected scientific data on river ecosystems? Do the native fish species have a disease? Are rainbow trout displacing native species by outcompeting them for food? Did pollution kill off the native fish species? Why are there so many rainbow trout in the streams?

Answers

Answer 1

The question that best relates to the ecologist's observations and the scientific data collected on river ecosystems is:

Is rainbow trout crowding out native species by competing with them for food?

The previous question that the ecologist very possibly must ask is due to the overabundance of rainbow trout and the very low number of native species.

In order for rainbow trout to adapt and reproduce quickly, it has had to feed on macroinvertebrate species, affecting the native fauna of this ecosystem and causing the displacement of other native species and even death due to lack of food.

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Related Questions

a population characteristic, such as a population mean, is called

Answers

Answer:

Parameter

Explanation:

Every Characteristic a population has is called a Parameter

Give an example of how ethical question related to people and their interactions with the environment.

Answers

Answer:

Global warming, global climate change, deforestation, pollution, resource degradation, the threat of extinction are few of the issues from which our planet is suffering. Environmental ethics are a key feature of environmental studies that establishes the relationship between humans and the earth.

There are many ethical decisions that human beings make with respect to the environment. For example: Should humans continue to clear cut forests for the sake of human consumption? Why should humans continue to propagate its species, and life itself? Should humans continue to make gasoline-powered vehicles?

There are many ethical decisions that human beings make concerning the environment.

What are ethical changes?

Ethical issues is a circumstance in which a moral conflict arises in the workspace.

Ethical issues in the workplace:

Unethical leadership.Toxic workplace culture.Abuse of leadership authority.

Environmental ethics are a feature which establishes relationship between humans and the earth. Humans are cutting trees and harming nature for own greed.

Global warming, global climate change, deforestation, pollution, resource degradation are the few issues from which our planet is suffering. Humans should take care of nature and should grow trees. Industries should also make some eco freindly products.

There are many ethical decisions that human beings make concerning the environment.

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describe the components in the blood that affect viscosity

Answers

Answer:

components in blood that affect viscosity is formed elements, plasma proteins, WBCs, RBCs and platelets. ... When there is an increase in viscosity, it decreases the blood flow rate, 3. Describe the graph of flow versus viscosity.

Components in the blood that affect viscosity are formed

elements, plasma proteins, WBCs, RBCs,platelets.

What's viscosity provides an explanation for?

Viscosity is the resistance of a fluid (liquid or gas) to trade in shape, or motion of neighboring portions relative to each other. Viscosity denotes competition to waft. The reciprocal of the viscosity is called the fluidity, a degree of the benefit of waft. Molasses, for instance, has an extra viscosity than water.

What's an IT unit?

Viscosity is a measure of a fluid's resistance to glide. The SI unit of viscosity is poiseiulle (PI). Its different gadgets are newton-2nd per square meter (N s m-2) or pascal-2nd (Pa s.).

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nadph builds up in the ________________ during electron transport.

Answers

NADPH builds up in the STROMA of the chloroplasts during electron transport. In chloroplasts,  NADP+ is reduced by the ferredoxin-NADP+ reductase.

Nicotinamide adenine dinucleotide phosphate (NADPH) is the reduced electron form of NADP+.

The NADPH coenzyme is generated during the last step of the electron transport chain of the light-dependent reactions of photosynthesis.

NADPH is used by plant cells as an electron donor in different reactions associated with dehydrogenase and reductase enzymes.

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Question 1 (2 points)
What is the molecule that is created in photosynthesis that stores chemical potential energy that is later broken
down into ATP in cellular respiration?
a
plants
b
glucose
с
oxygen
d
carbon dioxide

Answers

Explanation:

In the process of photosynthesis, plants and other photosynthetic producers create glucose, which stores energy in its chemical bonds. Then, both plants and consumers, such as animals, undergo a series of metabolic pathways—collectively called cellular respiration.

Answer:glucose

с

Explanation:

what are three biotic factor that limit the carrying of any habitat? ​

Answers

Answer:

Amount of food, competition with other species, habitat space

"Blending" genes is associated with:
O Complete Dominance
O Blood Typing
O Incomplete Dominance
O Codominance

Answers

Answer:

a

Explanation:

The "blending" of genes is associated with incomplete dominance.

Incomplete dominance occurs when neither of the two alleles in a gene pair is completely dominant over the other.

Instead, the phenotype of the heterozygous individual is an intermediate blend or mixture of the phenotypes associated with each allele. In other words, the traits from both alleles are expressed in a blended or intermediate manner.

For example, in a cross between a red-flowered plant (RR) and a white-flowered plant (WW), if incomplete dominance is present, the resulting offspring (RW) may have pink-colored flowers, which represent a blend of the red and white traits.

Thus, the answer is incomplete dominance.

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Which two chemical processes are represented by the equation below?

starch + water <—enzymes—>
sugars

Answers

Hydrolysis + water because when the starch is being added with water the water is breaking it down

Explanation:

how do you know that the gene being transcribed in the animation is in a prokaryote?

Answers

Answer: The initiation of transcription involves a sigma factor

Explanation:

quizlet


Pls also put this in a graph

Answers

Do a bar graph. Put the depth on the y axis, and put the numbers for a and b(in different colors) on the x axis.

i need an answer asap

Answers

Answer:

yes

Explanation:

Bec. water molecules are polar, hydrogen bonds from between water molecules,polarity has nothing to do with cohension, adhesion and have surface tension
The answer would be D


Hope this helps:)

Name two types of cells

Answers

Answer:

Animal cells and plant cells  

Kangaroo rats are rodents that eat seeds and nuts and burrow in the ground to keep cool. These animals do not need to drink water because they get all the water they need from their food.

Where are these organisms adapted to live?

Answers

Answer:

the desert because it has scarce water and they would get the water from the plants and insects they eat.

Explanation:

Somebody help me please

Answers

Answer:

ocular lens - b is the correct option.

coarse adjustment knob - c is the correct option.

fine adjustment knob - a is the correct option.

Which can modern taxonomy do?
design tables based on physical characteristics
compare the length of DNA among members of a species
compare the length of RNA among members of a species
distinguish how closely related organisms are

Answers

Modern taxonomy can be used to distinguish how closely related organisms are. It is a branch of systematics used to classify organisms based on different phenotypic traits and characteristics.

Taxonomy is a system of identifying and classifying biological systems.

Modern taxonomy refers to the system of classification of organisms on the basis of their evolutionary relationships (i.e., its basis involves phylogeny).

Modern taxonomy takes into consideration empirical evidence from different fields of study (e.g., morphology, cytology, physiology, etc).

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Answer:

D is the answer :)

Explanation:

took the test on edge

have a nice day and stay safe <3

Which statement is true of a Prokaryote cell? Please Help !!!

Answers

Answer:

it is unicellular.does not have a nucleus and is missing most organelles.

An organism suffers damage from chemical exposure, causing a cell to increase the production of a protein that promotes cell division. This division is rapid and uncontrolled.

How would this impact the organism?


The organism would be able to heal minor injuries rapidly.

The organism would be able to heal minor injuries rapidly.

The organism would begin to develop cancerous masses.

The organism would begin to develop cancerous masses.

The organism would stop growing.

The organism would stop growing.

The organism would start to evolve.

The organism would start to evolve.

Answers

Uncontrolled cell growth is often associated with mutations in genes encoding proteins that promote cell division. These regulatory proteins are known as mitogens or growth factors.

The consequence of a mutation that leads to rapid and uncontrolled cell growth is that the organism would begin to develop cancerous masses.

Cancer is uncontrolled cell growth, which is caused by mutations in genes involved in the control of cell division.

A growth factor is a molecule capable of inducing cellular growth and proliferation.

A mitogen is a protein that induces a cell to begin mitosis (e.g., the Platelet-derived growth factor).

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what
term can be used to describe the organizational level of the brain in the human body?

Answers

Answer:

The brain has three main parts: the cerebrum, cerebellum, and brainstem

Explanation:

Cerebrum: is the largest part of the brain and is composed of the right and left hemispheres. The  Cerebellum is located under the cerebrum. Its function is to coordinate muscle movements, maintain posture, and balance.

three importance of preserving food​

Answers

Answer:

*Food preservation increases the shelf life of food.

*Food preservation increases the food supply.

*it's safe to eat food after a long time after preservation

Explanation:

hope it helps

i need help with this

Answers

Answer:

Explanation:

hubb

the ________ response cycle includes four phases including excitement, plateau, orgasm, and resolution.

Answers

Starts with an S ends with an L.

Rhymes with usual (Big Brain thinking)

Which cellular process is carried out by ALL organisms?



Group of answer choices

cellular respiration

chemosynthesis

photosynthesis

Answers

Answer:

CELLULAR RESPIRATION

Explanation:

All organisms, including plants, use the process of cellular respiration to transform stored energy in food molecules into usable energy. The energy produced is stored in the form of ATP and is used by organisms to conduct their life processes.

What are the four bases that make up DNA

Answers

Answer:The DNA of all the living beings is composed of just four bases i.e. Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).

Explanation:

Answer:

adenine, cytosine, guanine, and thymine,

but most of all, kanye west, he is god

Explanation:

which is transported in the xylem of a plant

Answers

Plants have tissues to transport water, nutrients and minerals. Xylem transports water and mineral salts from the roots up to other parts of the plant, while phloem transports sucrose and amino acids between the leaves and other parts of the plant.

HELP!!!!!!!!!11 100 POINTS!

Answers

Answer:

1. Cell membrane

2. Ribosomes

3. Mitochondria

4. Rough endoplasmic reticulum

5. Chromatin

6. Nucleolus

7. Cytoplasm

8. Nucleus

9. Smooth endoplasmic reticulum

10. Golgi vesicle

11. Golgi apparatus

12. Lysosome

Answer:

1. Cell membrane2. Ribosomes3. Mitochondria4. Rough endoplasmic reticulum5. Chromatin6. Nucleolus7. Cytoplasm8. Nucleus9. Smooth endoplasmic reticulum 10. Golgi vesicle11. Golgi apparatus12. Lysosome

Explanation:

how many species of marine amphibians are there today?

Answers

Answer:

8,000.

Explanation:

Nearly 90% are frogs.

Which formula represents an organic compound?

Mg(OH)2

C6H12O6

NH3

NaCl

Answers

Answer:

B

Explanation:

1. What average energy of particles does temperature measure?
A. kinetic
B. potential
C. chemical
D. mechanical

Answers

It would be the the second one B. Potential

Pure water would have what kind of tonicity?:

Answers

Answer: Tapwater and pure water are hypotonic. A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.

Explanation:

what a spring tide is

Answers

Explanation:

spring tide, tide of maximal range, near the time of new and full moon when the Sun and Moon —i.e., aligned with the Earth. Conjunction is the time during new moon when the Sun and Moon lie on the same side of the Earth.

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