1. Meredith Feinman and Couper Webb

2. Lives in forests and mountains Biome: Alaskan and northwestern Canadian tundra Phytoplankton (single celled): Organisms float on or live near the surface of water Biome: Marine Brown Bear range

3. Brown Bear- Europe- mostly found in mountain woodlands Siberia- forests North America- tundra, alpine meadows and coastlines main requirements- areas with dense cover for shelter during the day Phytoplankton- live mostly in the ocean phytoplankton use photosynthesis to produce their energy, they must live in the well-lit surface layer (the euphotic zone)

4. The species' main requirements are areas with dense cover in which they can have shelter by day. Phytoplankton depend on the availability of carbon dioxide, sunlight, and nutrients ex: nitrate, phosphate, silicate, iron and calcium factors influencing phytoplankton growth rates- water temperature and salinity, water depth, wind, and predators When conditions are right populations can grow explosively known as a bloom.

5. Omnivores Diet- nuts, berries, fruit, leaves, and roots, animals such as rodents, moose and fish. In the fall a brown bear may eat as much as 90 pounds in one day Phytoplankton: Get all energy from sunlight (photosynthesis) Both are dependent on water, brown bear for food, phytoplankton for habitat.

6. Brown Bear: Humans are only predator Prey: other smaller animals from rodents to moose and fish Phytoplankton: Eaten by whales, shrimp, jellyfish, and other fish Not a predator because they use photosynthesis

7. Bear: Eukaryote, no cell wall Phytoplankton: Can be both, cell wall present

8. Phytoplankton: sexually and asexually One at a time Population can double in 1 day Reproduce more frequently in the spring Bear: sexually Females- four-and-a-half to seven Males- eight to ten year Litter size: 2, once a year

9. Brown Bear- Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Ursidae Genus: Ursus Species: arctos Common name: Brown Bear Phytoplankton: Kingdom: Protista Phylum: Chrysophyta Class: Phaeophycea Order: Family: Genus: Species: Common Name: Phytoplankton

10. Phytoplankton: bottom of food chain, essential for everything above it Source for almost 50% of our oxygen Brown Bear: population control- fish + rodents

11. Brown bear: Size: 5 to 8 ft. (1.5 to 2.5 m) Weight: 700 lbs. (318 kg) Solitary animals Phytoplankton: microscopic, smallest can measure less than 2 micrometers Not able to move themselves, move wherever water takes them (they go with the flow) Pack (blooms)

12. Bears- do not really need defenses, have claws and teeth if attacked by another bear Phytoplankton- do not have any known defense mechanisms but scientists are further researching this

13. base of the aquatic food web, feeding everything from microscopic, animal-like zooplankton to multi-ton whales. Certain produce powerful bio toxins, making them responsible for harmful algal blooms- blooms can kill marine life and people who eat contaminated seafood. Winds distribute phytoplankton when they drive currents that cause deep water, loaded with nutrients, to be pulled up to the surface. The word phytoplankton comes from the Greek words phyto (plant) and plankton (made to wander or drift). Some phytoplankton can "fix nitrogen" and can grow in areas where nitrate concentrations are low.

14. Brown bears can climb trees to eat or escape predators, but only when they are cubs. As they become adults they become too heavy for climbing. In the wild, the brown bears can reach 20 to 30 years of age. They have been clocked at speeds of 30 miles per hour They dig dens for winter hibernation In fall a brown bear may eat as much as 90 pounds of food each day, and it may weigh twice as much before hibernation as it will in spring.

16. What do phytoplankton use to produce energy? How many offspring does a female brown bear produce each year? Are brown bears omnivores, herbivores, or carnivores? What is an example of one thing that eats phytoplankton? Name one continent that brown bears live in?

17. "Brown Bears, Brown Bear Pictures, Brown Bear Facts - National Geographic." National Geographic. National Geographic, n.d. Web. 13 Apr. 2015. "Plankton." NatureWorks. 2015 New Hampshire Public Television. Web. 13 Apr. 2015 "Chesapeake Bay Program." Bay Blog RSS. Web. 13 Apr. 2015. "Brown Bear." Bear Trust International. N.p., n.d. Web. 23 Apr. 2015. "A Science Blog for Families." Fueling Discussions about Science in Families. N.p., n.d. Web. 27 Apr. 2015. "Plankton." Plankton. N.p., n.d. Web. 27 Apr. 2015. "Brown Bear - Ecology & Habitat." WWF -. N.p., n.d. Web. 27 Apr. 2015. "A to Z of Oz Marine Life." A to Z of Oz Marine Life. Web. 27 Apr. 2015. "What Are Phytoplankton? : Feature Articles." What Are Phytoplankton? : Feature Articles. Web. 27 Apr. 2015. "Brown Bear - Ecology & Habitat." WWF -. N.p., n.d. Web. 29 Apr. 2015. "What Are Phytoplankton? : Feature Articles." What Are Phytoplankton? : Feature Articles. Web. 29 Apr. 2015. Harvey, Elizabeth L., and Susanne Menden-Deuer. "Predator-Induced Fleeing Behaviors in Phytoplankton: A New Mechanism for Harmful Algal Bloom Formation?" PLoS ONE. Public Library of Science. Web. 29 Apr. 2015.

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