7th Grade Life Science Quiz

Which group do fungi, bacteria, and termites belong to?

• decomposers
• producers
• herbivores
• omnivores

Tags

NGSS.5-LS2-1

If the population of prey increases, the population of predators will ________because of the availability of food.

• decrease

• stay the same

• increase

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

A population of small fish and a population of small squids eat the same type of krill (a type of plant) in the same ecosystem. Krill is the main source of food for both the fish and squid. If the squid grows faster than the fish population, what will most likely happen to the fish population? 

• The fish population will stay the same size. 
• The fish population will start to grow faster. 
• The fish population will get smaller or even die out. 
• The fish population will start to eat more krill than the squids. 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Which of the following has the levels of organization in increasing order?

• ecosystem, community, population, habitat, niche, organism
• community, ecosystem, population, organism, niche, habitat
• population, community, habitat, niche, ecosystem, organism
• organism, niche, habitat, population, community, ecosystem

A reproductive process that involves only one parent and produces offspring that are genetically identical to the parent is called...

• sexual reproduction

• asexual reproduction

Tags

NGSS.MS-LS3-2

Which kind of asexual reproduction is occuring in this starfish regrowing two severed arms?

• binary fission

• budding

• vegetative propogation

• regeneration

Tags

NGSS.MS-LS3-2

Which of the following is NOT true of asexual reproduction?

• allows for rapid population increases
• occurs commonly among single-celled animals
• causes a population to have more genetic variety
• can be used along with some organisms along with sexual reproduction

Tags

NGSS.MS-LS3-2

Which of these lists these objects in order from inside out (from smallest unit to the unit it becomes a part of)?

• genes - DNA - chromosomes - nucleus - cell

• DNA - genes - cell - nucleus - chromosomes

• chromosomes - cell - nucleus - DNA - genes

Tags

NGSS.MS-LS3-1

How is a food web different from a food chain?

• Food webs contain only producers, not consumers.

• Food webs do not include decomposers.

• Food webs contain many different, linked food chains.

• Food webs exist in aquatic environments; food chains exist in terrestrial environments.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In any ecosystem, there are always more:

• Herbivores than carnivores

• Predators than prey

• Animals than plants

• Heterotrophs than autotrophs