consumers
fossils dating
Water quality
rock cycle
ocean
100

eats other animals 

what is carnivore 

100

lt began with simple life forms such as bacteria and simple algae

what is Precambrian Era

100

commonly found in soil, water, and food. Widely used as fertilizers,

what is nitrate 

100

hot molten liquid rock that breaks through earths surface

what is lava 
100

This swift-flowing, warm Atlantic current froms the northwest edge of a large, clockwise system of currents, and was named by Benjamin Franklin.

What is the Gulf Stream?

200

eats plants and other animals 

what is omnivore

200

By the end of the era, seed plants were common.

what is Paleozoic Era

200

essential for plant/animal life, acting as fertilizers in agriculture, water softeners in detergents, food additives, and critical components in biological energy

what is phosphates 

200

solid rocks composed of rock fragments 

what is sediments 

200

This is the largest and deepest ocean on earth.

What is the Pacific Ocean?

300

only eats plants nothing else 

what is herbivore 

300

Small mammals and birds also appeared.

what is Mesozoic Era

300

 a measure of how cold or warm the water is lt tells us what kinds of plants and animals are able to live in the water.

what is temperature 

300

formed through cooling 

what is igneous 

300

Roughly this percentage of the Earths surface is cover by ocean waters.

What is 71%?

400

omnivores and that plants and animals 

what is Humans

400

New mammals appeared, while others became extinct.

what is Cenozoic Era

400

a measure of how cloudy or clear the water 

what is turbidity 

400

rocks transformed from existing igneous 

what is metamorphic

400

These large, circular surface current systems are found in each of the major ocean basins.

What are gyres?

500

obtain food from dead organisms or from the waste products of living organisms 

what Is Saprophyte

500

Uses biostratigraphy to compare fossil ages based on their position in rock layers

what is relative dating 

500

a measure of how acidic or basic (alkaline) a substance is 

what is PH

500

the breakdown of rocks, soil and minerals 

what is weathering

500

This is the only current that flows completely around the globe without hitting land.

What is the Antarctic Circumpolar Current?