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Sivanandh 8N

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Muhammed sadique 8n

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all animals together standing and respecting the lion as a king of forest 

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Ladies and gentlemen, friends

Today, I want to talk about something fundamental to our existence: biodiversity. It's the rich tapestry of life on Earth, from the smallest bacteria to the largest whale. It provides us with the air we breathe, the water we drink, and the food we eat. It's our planet's greatest asset, and it's under threat.

We are losing species at an alarming rate, a crisis driven by human activities like habitat destruction, pollution, and climate change. This isn't just a concern for scientists or a romantic ideal; it's a direct threat to our own well-being. When we lose a species, we weaken the intricate web of life that supports us all. We lose potential medicines, disrupt ecosystems that regulate our climate, and jeopardize our food security.

The good news is that we can change this. By protecting natural habitats, adopting sustainable practices, and working together, we can halt this decline. It’s time we recognize that a healthy planet and a healthy future are one and the same. Let's act now to preserve the biodiversity that is so essential to our survival. Thank you.

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Biodiversity

Justin Kurien Joji

8N

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Niranjay

8N

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Muhammad Yasin

8N

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animal's taking about the loss of biodiversity

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HASSAN MAFAZ 8TH N

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Niranjay

8N

ecosystem, predators, Preys

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Sivanandh 8-N

Scientific Vocabulary

Ececosystem

equilibrium

starvation

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ecosystem balance equilibrium

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Sivanandh 8-N

ecosystem

equilibrium

starvation

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Abhinandh Ajish 8N

Scientific Vocabulary

• equlilbrium

• ecosystems

• increment

• decrement

• ecosystem balance

• starvation

• biodiversity

• Trophic Cascade

• population

• decline

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Justin Kurien Joji

8N

Scientific Vocabulary

1.Economy

2.Predator

3.Prey

4.Population

5.Overpopulation

6.Decline

7.Equilibrium

8.Biodiversity

9.Food chain

10.Carrying capacity

11.Trophic level

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Muhammed sadique 8N

Apex predator - The strongest animal that no other animals eat (like a wolf).

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Nahyan 8-N

Ecosystem

Predators

Equilibrium

Prey

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Muhammad Yasin

8N

ecosystem balance

equilibrium

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Muhammed Noul

8N

ecosystem balance

equilibrium

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GROUP 3. 8P

Rafaan

Ayaan shafeeque P

IF all the predators die the equilibrium wont be there because the deers and other non predators will not have sufficient food to survive leads to the extinction to the herbivorous animals.

If the predators are there the equilibrium will be there.

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The class was very interesting,and understood it very well.

Rubeena Mam thought us in a fun way so we could understand the topic.

Rating:⭐⭐⭐⭐⭐

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Irshan And Aariz (Mostly Irshan)

8P

Great and Very Interesting Class.

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It was a very good class mam

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jgfjsgh,8p

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Mohammed Ehsan--8K

2nd Ans:-Due to the removal of predators the elks,deers, and reindeers populations increase and the amount of grass decrease and even without the wolves the deers die due to lack of food.So they exported 30 wolves from Canada to balance the ecosystem.

1st Ans:-During 1995-2000 the ecosystem was balanced due to the adding of wolves which killed the deer to balance the ecosystem.

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If a forest loses its wolves or other top predators

The populations of herbivorous like deer will decline rapidly because they won’t get my grass = food .

Their population wlould decrease . herbivores would over geze eating young plants ANAS YOUSUF . RAMZAN SAWILHI GROUP 3 SAYYAF MAM YOUR. CLASS IS GOOD 👍

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NICE CLASS MAM

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Mam it was a very good class

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Group 2 and 3 8k: Muhammed mubashir

The population of the of the herbivores will born and increased 2- all plants and tree will start to be eaten often and it will be decreased the plants and trees

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Group 1 8k HIBATHULLAH

IF A FOREST LOST ITS ALL TOP ANIMALS THE REST OF THE ANIMALS ALSO WILL ALSO DECREASES

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Kashif 8K
In the starting olk numbers increases because they eat grass but then when the grass is over they die with no food left

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Group 1. Ibrahim

8-k

In the starting olk numbers increases because they eat grass but then when the grass is over they die with no food left

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Group1

Muhammad Musaddiq khan 8K

In the starting olk numbers increases because they eat grass but then when the grass is over they die with no food left

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Group -1 8K. M.Ahmed

In the starting olk numbers increases because they eat grass but then when the grass is over they die with no other food left

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group 1 mohammed yamin 8k

wolves are primary predators

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About this simulation

The length of the red bar shows the vitality. It gradually decreases with time. When the vitality is zero, it naturally dies.

The green bars show stamina (nutritional status). If it is short, it is in a hungry state. When the nutritional status is zero, it starves to death.

Rabbit breeding conditions: If the stamina of the rabbit is at least 50% and the viability reaches 20%, 40%, 50%, 60% and 80%, then another rabbit will be produced.

Wolf Breeding Condition: Regardless of the stamina of the wolf, if the vitality reaches 40% and 60%, another wolf will be produced.

When rabbits and wolves become hungry, their ability to find food improves.

Relationship between preys and predators

In the early 20th century, the Yellowstone National Park in the United States had swept wild wolves to protect deer. As the wolves disappeared, the number of deer, elk, and reindeer increased rapidly.
However, after a certain period of time, as they ate all of the grass, the number of deer also began to decline rapidly. The embarrassed national parks imported 30 wolves from Canada and rescued the ecosystem balance by spinning them into a national park.

The point here is that the presence of wolves helps protect the deer. Wolves mainly eat weak and slow deer, so they make the deer population healthy.
In healthy ecosystems, the prey does not disappear completely, nor does the predator all die by starvation. Preys and predators make equilibrium by repeating increment and decrement.

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The length of the red bar shows the vitality. It gradually decreases with time. When the vitality is zero, it naturally dies. The green bars show stamina (nutritional status). If it is short, it is in a hungry state. When the nutritional status is zero, it starves to death.

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GROUP 2 AND 3: The Yellowstone case shows how wolves help maintain balance in an ecosystem.

If a forest loses all of its wolves or other top predators, what changes would you expect in:

1. The populations of herbivores (like deer)?2. The plants and trees in the forest?

3. Explain why these changes happen and how they are connected?

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GROUP 1: why removing wolves from Yellowstone first caused elk numbers to rise, but later led to a big drop in elk numbers?

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GROUP 4 AND 5: What happened to the deer population when wolves were removed (1930–1940)?

What trend do you notice in the deer population after wolves were reintroduced (1995–2000)?

Explain why the deer population changed in both periods.