Trimester 3 Exam Review Part 2 24-25

Non-living factor that affects an ecosystem

• biotic factor
• abiotic factor
• food chain 
• biome

Tags

NGSS.MS-LS2-3

What is the original source of almost all energy in most ecosystems?

• carbohydrates
• sunlight
• water
• carbon

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Organism that obtains its energy from abiotic sources, such as sunlight or inorganic chemicals

• Autotroph

• Heterotroph

• Omnivore

• Carnivore

Tags

NGSS.MS-LS2-3

The lion would be a

• decomposer

• producer

• primary consumer

• secondary consumer

Tags

NGSS.MS-LS2-3

Mice might grow in population and destroy the community by eating all of the berry bushes if

• wolves and snakes were removed from the food web

• another predator migrated in to the community

• the snake population grew

• none of these

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

These organisms are often not shown in a food chain, but are important for recycling nutrients

• producers

• decomposers

• primary consumers

• carnivores

90% of the energy that gets lost as you move from trophic level to trophic level gets lost as

• pollution to the environment

• heat to the environment

• energy for decomposers

• recycled energy

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organelle allows plants to convert solar energy into chemical energy?

• Chloroplast
• Mitochondria
• Vesicle
• ER

Tags

NGSS.MS-LS1-6

The diagram below shows the relationship between photosynthesis and cellular respiration and the organelles in which they occur.Which statement describes how photosynthesis and cellular respiration are interrelated?

• Oxygen is produced during cellular respiration and stored during photosynthesis.

• Carbon dioxide and water released by cellular respiration are used in photosynthesis.

• Photosynthesis releases the energy that is stored during the process of cellular respiration.

• Glucose is used during cellular respiration to produce food that is broken down during photosynthesis.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organelle converts chemical energy into free energy by breaking down glucose?

• chloroplast

• chlorophyll

• mitochondria

• nucleus