Ecosystems (1)
Which is an example of a biotic factor?
1. Soil
2. Animals
Animals
All of the plants & animals that live on grandpa's farm are examples of (biotic factors).
1. A nonliving thing that affects its environment
2. A living thing that affects its environment
A living thing that affects its environment
Which is an abiotic factor in your classroom?
1. You
2. Your desk
Your desk
Foxes build underground (shelters) to keep them safe from wolves & other hungry predators.
1. A place to lives that protects against weather or danger
2. A group of plants & animals that live in the same area & interact with each other
A place to lives that protects against weather or danger
Which is an example of population in a city?
1. The number of people in a city
2. The kinds of buildings in a city
The number of people in a city
How is a fallen log similar to a tree growing in the forest?
1. Neither can support life
2. Both are examples of habitats
Both are examples of habitats
My jersey became (moist) as I started to sweat during the basketball game.
1. Slightly or moderately wet
2. The average weather conditions of an area
Slightly or moderately wet
Which could be a member of the plant population within a pond community?
1. Water lilies
2. Fish
Water lilies
The polar bear (population) is decreasing due to the melting of sea ice & a lack of food.
1. The average weather conditions of an area
2. A group of individuals of the same species living in a given area
A group of individuals of the same species living in a given area
Oil spills cause major damage to ocean animals' (habitats) by polluting the water.
1. The place where a living thing normally lives or grows
2. A living thing that affects its environment
The place where a living thing normally lives or grows
What would most likely happen to a community if food became scarce?
1. The community would decrease in size
2. The community would grow in size
The community would decrease in size
The ocean is an underwater (ecosystem) that consists of a variety of living & nonliving things, including fish & rocks.
1. Everything that exists in a particular area & the ways in which those things interact
2. The average weather conditions of an area
Everything that exists in a particular area & the ways in which those things interact
Which is an example of how a living thing depends on a nonliving thing in an ecosystem?
1. A turtle swims through the water
2. A bird eats a worm
A turtle swims through the water
My mother earned a degree in (ecology) before becoming a zookeeper at our local zoo.
1. A place to live that protects against weather or danger
2. The science or study of living things & their environment
The science or study of living things & their environment
The (climate) in the Arctic is cold & snowy during the winter.
1. The science or study of living things & their environment
2. The average weather conditions of an area
The average weather conditions of an area
Why is climate an abiotic factor?
1. It is not part of the environment.
2. It is not a living part of the environment
It is not a living part of the environment
Bees depends on the flowers in their (community) for the nectar they need to survive.
1. The science or study of living things & their environment
2. A group of plants & animals that live in the same area & interact with each other
A group of plants & animals that live in the same area & interact with each other
How are ecosystems & habits similar?
1. Neither is able to support life
2. Both have living & nonliving things existing in them
Both have living & nonliving things existing in them
The students examined the pebbles at the bottom of the creek as examples of (abiotic factors) in nature.
1. A nonliving thing that affects its environment
2. A living thing that affects its environment
A nonliving thing that affects its environment
Communities in warm, moist ecosystems tend to outnumber those in cold or dry places.
1. Warm, moist ecosystems make better living environments than cold or dry places.
2. Warm, moist ecosystems have fewer resources than cold or dry places.
Warm, moist ecosystems make better living environments than cold or dry places
What is human activity that causes change in the ecosystem?-
1. A Tsunami
2. A Pollution
2, Pollution
If humans over-hunted a population of insects-eating birds, what immediate change would likely be seen in the area?
1. -Severe loss of vegetation
2. Increase population of insects
2. Increase population of insects
If humans cleared a forest and built homes where the forest once was, we would expect which of the following?
1. Animals will lose their shelter and have to move-
2. There would be an increase in insect population
1. Animals will lose their shelter and have to move-
What is deforestation?-
1. Air pollution
2. Fewer trees and habitat for animals
2. Fewer trees and habitat for animals
Humans brought the first pigs to Hawaii more than 1,000 years ago. The pigs have no predators and eat nearly anything. Which of the following is a negative impact that might result from the introduction of pigs to the Hawaiian rainforest ecosystem?
1. Fewer plants
2. Increased destruction by volcanoes
2. Increased destruction by volcanoes