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ser-zykov [4K]
3 years ago
5

This energy flows through organisms and the environment and eventually flows out of the biosphere as

Biology
1 answer:
kakasveta [241]3 years ago
8 0

Heat is then the by-product of the light energy from the Sun flowing through the biosphere. Organisms are inevitably dependent on sunlight to perform essential biological processes in order to sustain life. In the absence of this energy, all the organisms on Earth would die. 



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HELP I NEED HELP ASAP
Leno4ka [110]
Renewable energy resources are all replaced in a short period of time. Everything else doesn’t work.
6 0
2 years ago
Read 2 more answers
An apple falls off a tree onto the ground. Which of the following best describes what eventually happens to the material that ma
lana [24]

Answer:

D. Microscopic organisms break down the apple and release its material into the soil and air.

Explanation:

Without microscopic organisms today, everything that has died or fallen will still remain on the ground. Fungi, bacteria, and etc. play an essential role in the Earth's ecosystem by breaking down organic material.

4 0
3 years ago
Define embryonic stem cells. Explain the pros and cons of Embryonic Stem Cells
just olya [345]

Answer:

Embryonic stem cells are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage pre-implantation embryo. Human embryos reach the blastocyst stage 4–5 days post fertilization, at which time they consist of 50–150 cells.

Explanation:

 

 Adult Stem Cells  

Embryonic Stem Cells      

Induced Pluripotent Stem Cells      

Pros

Trans differentiate and and reprogramming of these cells is possible but is not well studied

Thought to be less likely to be rejected if used in transplants

Success has already been demonstrated in various clinical applications  

Can maintain and grow for 1 year or more in culture

Established protocols for maintenance in culture

ESCs are pluripotent cells that can generate most cell types

By studying ESCs, more can be learned about the process of development

 

Abundant somatic cells of donor can be used

Issues of histocompatibility with donor/recipient transplants can be avoided

Very useful for drug development and developmental studies

Information learned from the “reprogramming” process may be transferable for in vivo therapies to reprogram damaged or diseased cells/tissues  

Cons

Limitations on ASC ability to differentiate are still uncertain; currently thought to be multi or unipotent.

Cannot be grown for long periods of time in culture

Usually a very small number in each tissue making them difficult to find and purify

Currently there is no technology available to generate large quantities of stem cells in culture

 

Process to generate ESC lines is inefficient

Unsure whether they would be rejected if used in transplants.

Therapies using ESC avenues are largely new and much more research and testing is needed

If used directly from the ESC undifferentiated culture prep for tissue transplants, they can cause tumors (teratomas) or cancer development    

Methods for ensured reproducibility and maintenance, as differentiated tissues are not certain.

Viruses are currently used to introduce embryonic genes and has been shown to cause cancers in mouse studies    

7 0
2 years ago
Name THREE products in the food industry that are produced by biotechnology​
Aleks04 [339]
Soybeans, corn, cotton
7 0
2 years ago
1. Describe the staggering challenge that Velings describes at the beginning of his talk.
ozzi

The staggering challenge that Velings describes at the beginning of his talk is option B:  B. Depleting food resources as our population grows.

2. In 35 years when there are 2.7 billion more of us, the solution given that we will still be sharing the same resources is option D. All of the above

A. Aquaculture

B. Use the ocean as farmers instead of hunters

C. Sustainable fishing

Some of the reasons Velings gives for fish being the best possible food are:

A. Exciting and diverse variety

C. Provides key amino acids and fatty acids

F. Prevents heart disease

Some issues with the current state of the aquaculture industry that contribute to its bad reputation is option F. All of the above:

A. Fisheries are badly managed.

B. Fisheries deplete mass amounts of fish to use as fish meal.

C. Fisheries often use a large amount of chemicals.

D. Fisheries can alter the genetic pool.

E. Many fisheries use unsustainable fish-feed ingredients.

<h3>What is Mike Velings talks about?</h3>

Industrial aquaculture has had a wide range of negative effects on the environment, including the overfishing of wild fish to feed carnivorous farmed fish and the escape of farmed fish from their containment, which endangers local wild fish populations.

Lastly, in the words of Mike Velings, We are approaching a worldwide food crisis, he said. At our current rate, we are already taking more fish from the ocean than it can naturally replace, despite the fact that almost 3 billion people rely on the ocean for their food. Mike Velings, an entrepreneur and conservationist, offers a solution in this fact-filled, eye-opening talk: the practice of farming fish. "We need to stop hunting the ocean and start farming it,"

Learn more about Depleting food resources  from

brainly.com/question/9796760
#SPJ1

See full question below

(4.2) Unit 4 Lab Questions- Portfolio (1-6, 1-6)

Part 2 - Please watch the following video and answer the questions that follow.

Mike Velings: The case for fish farming

https://youtu.be/a7cDt5r2pGY

What is the staggering challenge that Velings describes at the beginning of his talk? (1 point)

A. Water pollution affecting the fish farms.

B. Depleting food resources as our population grows.

C. Climate change reducing the amount of fresh fish available

(4.2) Unit 4 Lab Questions- Portfolio (1-6, 1-6)

2. In 35 years when there are 2.7 billion more of us, what is the solution given that we will still be sharing the same resources? (1 point)

A. Aquaculture

B. Use the ocean as farmers instead of hunters

C. Sustainable fishing

D. All of the above

E. None of the above

(4.2) Unit 4 Lab Questions- Portfolio (1-6, 1-6)

3. What are some of the reasons Velings gives for fish being the best possible food? (check all that apply) (1 point)

A. Exciting and diverse variety

B. Reduces the rate of cancers

C. Provides key amino acids and fatty acids

D. Makes people more intelligent

E. Allows the land animals to increase their populations

F. Prevents heart disease

What are some issues with the current state of the aquaculture industry that contribute to its bad reputation? (1 point)

A. Fisheries are badly managed.

B. Fisheries deplete mass amounts of fish to use as fish meal.

C. Fisheries often use a large amount of chemicals.

D. Fisheries can alter the genetic pool.

E. Many fisheries use unsustainable fish-feed ingredients.

F. All of the above

G. None of the above

7 0
1 year ago
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