What factor determines when a species is considered invasive?a. It has positive environmental impacts.
b. It is environmentally damaging.
c. It spreads outside its native range.
d. It spreads within its natural range.

Answers

Answer 1
Answer:

Answer: b. It is environmentally damaging.

An invasive species is a kind of living organism such as amphibian, insect, bacteria, fungus, plant or even the seeds or eggs of the organism that is not native to a region or ecosystem but introduced either accidentally or by the migration of the species in search of food, shelter, habitat and mates. The invasive species has the potential to compete with the native species, can harm the environment, and health of the human or other living species.

The invasive species spread rapidly after starving the population of native species for food, shelter and for other needs. The invasive species can affect the availability of water and can damage the quality of soil nutrients. Once it is introduced into a habitat it changes the environmental condition of that habitat adversely.

Answer 2
Answer:

 

It is environmentally damaging


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What could happen if the epiglottis fails to close correctly over the trachea when a person swallowsA. the person may experience heartburn
B. the person may choke
C. the person will experience a heart attack
D. the person will get swollen lymph nodes
36. which hormone is largely responsible women having wider hips than me?
A. testosterone
B. estrogen
C. progesterone
D. FSH

Answers

If the epiglottis fails to close correctly, a person may choke. The epiglottis is a leaf-shaped flap made of elastic cartilage that covers the opening of the larynx and prevents food or liquids from entering it.

 Chocking may occur if the epiglottis fails to close, allowing food or liquids to enter the airway.

Estrogen is the hormone that is responsible for wider hips and other sexual characteristics.  Although men also have some estrogen, this hormone is much higher in women .


The answer to your questions are

1. B

2. B

In contrast to eukaryotic cells, prokaryotic cells

Answers

Eukaryotic cells have DNA enclosed in a nuclear envelope and membrane-bound organelles that carry out various functions. Prokaryotic cells have DNA, but lack a nucleus and don't have any organelles.

Which of the following describes an independent variable?Answer= Controlled by the experimenting scientist.(APEX)

Answers

The best sentence that describe an independent variable would be : The factor in an experiment that could be deliberately changed.
The scientist use deliberately change this factor to find out which factor actually caused the occurrence in the experiment.

Hope this helps

Answer:

The factor in an experiment that responds to the manipulated

Which term describes body structures in different organisms that have different outward appearances but develop from the same embryonic tissues?A) analogous
B) homologous
C) remedial
D) vestigial

Answers

Answer:

The correct answer would be B) homologous.

Homologous organs refer to the set of organs which have different appearance and function but share common anatomy due to common ancestry.

For example, the forearm of human, forelimb of the horse, wing of a bat, wings of birds, and seal's flipper share common underlying anatomy.  They are made up of same sets of bones (humerus, radius, ulna, carpels, metacarpals, and phalanges).

These organs are adapted to perform different functions in an environment.

It is also observed that these organs developed in the same manner in the embryo and from similar origins.

The answer is B) Homologous

1. Before the introduction of the yellow crazy ant to Christmas Island, land crabs ate many plant seedlings in the forest, maintaining a relatively clear forest floor. As the crab population has declined, plant seedlings have flourished. The forest floor is now covered with plants. Choose the statement that best describes what is occurring on the forest floor. A. Primary succession is occurring because the ant is a new species changing the ecosystem.
B. Secondary succession is occurring because the organisms on the forest floor are changing.
C. Climax vegetation is occurring because the seedlings finally have the chance to grow.
D. Primary succession is occurring because more plant life is healthier for the ecosystem.

Answers

the statement that best describes what is occurring on the forest floor is that secondary succession is occurring because the organisms on the forest floor are changing. The answer to your question is B. I hope that this is the answer that you were looking for and it has helped you.

Answer:

B. Secondary succession is occurring because the organisms on the forest floor are changing.

Psss i just took the quiz

Why is Kingdom Protista so diverse?

Answers

Answer:

Protists are said to be the most diverse of all eukaryotic kingdoms because the organisms in the Protista kingdom are eukaryotic organisms that are not plants, animals, or fungi.

Explanation:

this is what I found According to Google :)