WorksheetsRepasos de Impulso Science P2 - 5to
Total questions: 27
Worksheet time: 1hrs 14mins
Classify into biotic
Rat
Leaves
Sun
Clouds
Shrub
Classify into abiotic factors.
Rat
Leaves
Sun
Clouds
Shrub
Write true (T) or false (F) to these sentences. 1. Sunlight isn’t an abiotic factor in an ecosystem.
T
F
2. Grass is an organism considered a producer in an ecosystem.
T
F
3. In a food chain energy flows from producers to consumers.
T
F
4. Photosynthesis is an important part of the water cycle.
T
F
5. Organisms that eat both plants and animals are called herbivores.
T
F
6. The process that releases oxygen into the atmosphere is called respiration.
T
F
7. The first stage of primary succession is a bare rock.
T
F
8. Primary role of decomposers in an ecosystem is to break down dead organisms.
T
F
1. A __________ would cause immediate changes in an ecosystem.
2. The main source of energy in most ecosystems is the __________.
3. During secondary succession an (a) recovers after a disturbance.
4. In a food web, arrows point to the (a) being eaten.
5. The organisms that help convert nitrogen in the air into a form plants can use are called (a) .
6. A bird cleaning a crocodile’s teeth is an example of __________.
1. In the food chain below, which of the following organisms has the correct set of labels?
2. Look at the food web and answer.
1. Which best describes a habitat?
A group of similar organisms
Where an organism lives
A feeding relationship
A type of consumer
2. What happens during the carbon cycle?
Rocks break down into soil
Carbon moves through living and nonliving things
Plants grow taller
Water moves through the atmosphere
3. Which describes a consumer in an ecosystem?
Makes its own food
Breaks down dead things
Eats other organisms
Creates oxygen
4. Which shows the correct order in a simple food chain?
Grass → Mouse → Snake → Hawk
Hawk → Snake → Mouse → Grass
Mouse → Grass → Snake → Hawk
Snake → Hawk → Grass → Mouse
5. What do we call a major change in an ecosystem over time?
Decomposition
Succession
Precipitation
Migration
6. What happens when an ecosystem becomes unbalanced?
Only plants are affected
Nothing changes
Weather patterns change. Population changes occur
5. What is the role of producers in an ecosystem?
To regulate population sizes
To consume other organisms
To create energy through photosynthesis
To decompose dead matter
8. Which of the following is an example of a biotic factor in an ecosystem?
Water
Soil
Plants
Temperature
4. Which process is primarily responsible for the transfer of energy from the sun to plants?
Respiration
Photosynthesis
Transpiration
Decomposition
