Ecosystem Interrelationships and Adaptations in Nature

The video tutorial introduces students to the concept of ecosystems, highlighting the interrelationships within them. It explains the factors affecting terrestrial and aquatic ecosystems, such as temperature, humidity, and salinity. The importance of maintaining balance in ecosystems is emphasized. The lesson then shifts to adaptation, illustrating how species like cactuses and polar bears adapt to their environments. The tutorial concludes with a reminder to care for the environment.

What are the two main types of ecosystems discussed in the lesson?

• Mountain and Valley

• Urban and Rural

• Terrestrial and Aquatic

• Forest and Desert

Which of the following is a key factor in terrestrial ecosystems?

• Salinity

• Water currents

• Humidity

• Pressure

What is a significant factor in aquatic ecosystems?

• Wind speed

• Light

• Altitude

• Type of soil

What can disrupt the balance of an ecosystem?

• Unchanged humidity

• Stable temperature

• Introduction of new species

• Consistent light

What is the term for the area where a living thing can find everything it needs?

• Habitat

• Niche

• Territory

• Biome

How do cactuses adapt to desert environments?

• By having shallow roots

• By growing tall quickly

• By storing water in their stems

• By having large leaves

What adaptation helps polar bears survive in cold environments?

• Long necks

• Thick layer of fat

• Webbed feet

• Thin fur