All categories

3 years ago

What is a key item still in an environment during the second succession?

Biology

1 answer:

ale4655 [162]3 years ago

5 0

Answer:

Soil

Explanation:

Ecological succession, which refers to the series of changes that occurs in an ecosystem over time, is of two types viz: primary succession and secondary succession. In primary succession, a new or barren area (usually a rocky surface) is colonized by organisms such as lichens called PIONEER SPECIES.

However, in secondary succession, an ecological disturbance such as natural disasters disrupt the ecosystem causing the area, which was made void, to be recolonized by organisms. Note that, despite the disturbances, a key factor which is SOIL is still present in the environment to sustain the growth of the recolonizing organisms in secondary succession

You might be interested in

Shalnov [3]

Both use ion channels to move ions across the cell membrane, in or out of the cell. Differences: Passive Transport (or Diffusion) moves ions from high concentration to low, using no metabolic energy. Active Transport moves ions from low concentration to high, using metabolic energy in the form of ATP.

7 0

4 years ago

A) Aortic semilunar valve B) Mitral (bicuspid) valve C) Tricuspid valve D) Pulmonary semilunar valve 1) Prevents backflow into t

8090 [49]

Answer:

1. Aortic semilunar valve

2. Tricuspid valve

3. Mitral valve

4. Pulmonary semilunar valve

5. Mitral Valve

6. Tricuspid valve

Explanation:

The four heart valves of our heart have two main functions. They open to allow blood to pass through them, and close to prevent blood from going back (backflow).

Semilunar valves:

There are two semilunar valves and they have 3 cusps. They open up to areas outside the heart. Their main function is to prevent backflow towards the heart.

a. Aortic semilunar valve is located in between the Aorta and the left ventricle. It opens up to the Aorta where oxygen-rich blood leaves the heart and go towards the other parts of the body. It prevents backflow to the left ventricle.

b. Pulmonary semilunar valve is located in between the right ventricle and the pulmonary artery. It opens up to the pulmonary artery which carries unoxygenated blood towards the lungs. It prevents backflow to the right atrium.

Atrioventricular valves:

They are named as such because they are found in between the atria and the ventricles.

a. Tricuspid valve has three cusps and it is found on the right side of the heart. It is located in between the right atrium and the right ventricle. It prevents backflow to the right atrium.

b. Mitral valve has 2 cusps and that is why it is also known as the bicusip valve. It is located in between the left atrium and the left ventricle. It prevents backflow to the left atrium.

5 0

3 years ago

Anit [1.1K]

Answer:

please mark me brainlist plzzzzzzzzzzzzzz

Explanation:

Surface Currents Large-scale surface ocean currents are driven by global wind systems that are fueled by energy from the sun. These currents transfer heat from the tropics to the polar regions, influencing local and global climate. ... The current moves along the U.S. East Coast across the Atlantic Ocean towards Europe.

7 0

3 years ago

These are the questions on biology

zalisa [80]

Explanation:

Simone has to at least skip 1 or 2 days of practice. he is already In the game, but lacks the necessary control of healthy carbohydrates in his diet.

carbohydrates is what gives everyone energy..

healthy carbs:= more fruit, starchy veggies like corn, peas, pasta,whole grain bread plus lean protein can help store more carbs in the fat layer of the body. when in active motion, muscles release bursts of energy, (fight or flight response)..

gives the xtra calories and protein to muscle structure...

8 0

3 years ago

Read 2 more answers

What statement about zygotes is correct?

Helen [10]

The correct option is A. That is the Answer to your Question

3 0

3 years ago