Ecologists study how relationships between biotic and abiotic factors impact the many levels of organization on earth. What leve
l of organization is defined as the interaction between organisms in a community and the environment in which they live? A) organisms B) ecosystems C) populations D) communities 4) According to the graph, what abiotic factor influences tadpole survival? A) size of pond B) cadmium dosage C) available food D) number of surviving tadpoles 5) Which example BEST illustrates the biological concept of a community? A) All of the blue whales in the world. B) A herd of bison living in Yellowstone Park. C) The temperate grassland ecosystem in the American midwest. D) A tropical reef aquarium with many different types of fish and corals. 6) The Moray Eel looks ferocious but, in reality,it is a very shy solitary creature. Teams of shrimp congregate in the burrows and caves where the eel resides and they move up and down the Eel's body removing parasites and dead skin (which is eats! Yuck!). What type of symbiotic relationship does the Moray Eel have with the Cleaner Shrimp? A) Commensalism B) Mutualistic C) Parasitic D) None, they just share the same habitat 7) The spider in this picture creates a web in the antlers of the deer. The spider gains a greater probability of catching prey due to the deer's mobility. This is a commensalistic relationship. What factor might change this commensalistic relationship into a parasitic relationship? A) The spider has a higher sensory system and is able to warn the deer of approaching prey. B) The spider prevents parasites from living on the deer. C) The spider lays eggs in the ear of the deer and the spiderlings eat the inner ear of the deer, sometimes causing deafness. D) The spider's web makes the deer look bigger and fiercer to it's prey. 8) This is the pond behind Serge's house. There are lots of catfish swimming in this pond. Trees ring the pond and rushes and irises live at the pond's edge. The bottom of the pond is sandy and Serge likes to pick up flat rocks from the shallow water and skim them across the top of the water. This summer, Serge has seen lots of dragon flies and mosquitoes at the pond also. All the catfish that live in the pond behind Serge's house make up a ___________ of catfish. A) community B) family C) habitat D) population 9) This is the pond behind Serge's house. There are lots of catfish swimming in this pond. Trees ring the pond and rushes and irises live at the pond's edge. The bottom of the pond is sandy and Serge likes to pick up flat rocks from the shallow water and skim them across the top of the water. This summer, Serge has seen lots of dragon flies and mosquitoes at the pond also. What answer choice describes a community? A) the pond B) all the catfish in the pond C) rushes and irises, the dragonflies and mosquitoes, the catfish D) all the non-living parts of the pond, water, oxygen, sand, rocks 10) The mouse population of an area decreased last year. Which abiotic factor would explain the population decrease? A) a decrease in rainfall B) a fatal bacterial disease C) an increase in owl population D) competition among the mice for food 11) An important biotic factor in this wetland, which impacts the populations of all the species that live in the wetland is/are A) water. B) oxygen. C) plants . D) sunlight. 12) Black bears live is many different habitats. What is one abiotic feature of the black bears habitat, no matter where it lives? A) fish B) water C) other bears D) nuts and berries
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3. The answer is "B) ecosystems".
An ecosystem is an extensive community of living beings (plants, creatures and microorganisms) in a specific zone. The living and physical segments are connected together through supplement cycles and vitality streams. Ecosystems can be of any size, however for the most part they are specifically puts.
Ecosystem, the complex of living creatures, their physical condition, and every one of their interrelationships in a specific unit of space.
4. The answer is "B) cadmium dosage".
An abiotic factor is a non-living segment in the earth. This can be either a concoction or physical nearness. Abiotic factors fall into three essential classifications: climatic, edaphic and social. Climatic components incorporate stickiness, daylight and variables including the atmosphere. Edaphic alludes to soil conditions, so edaphic abiotic factors incorporate soil and topography of the land. Social variables incorporate how the land is being utilized and water assets in the territory.
5. The answer is "D) A tropical reef aquarium with many different types of fish and corals."
Community, additionally called biological community, in biology, an interfacing gathering of different species in a typical area. For instance, a woods of trees and undergrowth plants, occupied by creatures and established in soil containing microscopic organisms and growths, comprises a biological community.
The individuals from an animal types living in a given zone in the meantime establish a populace. Every one of the populaces living and interfacing inside a specific geographic territory make up an organic (or biotic) network. The living beings in a network together with their nonliving or abiotic condition make up an environment.
6. The answer is "B) Mutualistic".
Cleaner Shrimps and Moray Eels have a mutualistic relationship.
The cleaner shrimp clean parasites, bugs, green growths, and so on off of the eels, making them more sound – consequently, the shrimp get a free feast. Cleaner shrimp likewise clean different types of fish like groupers and pufferfish.
Eels will likewise get cleaned by different kinds of fish like gobies and wrasses. The cleaner shrimp have brilliantly shaded exoskeletons to tell their clients that they are not typical shrimp, since they would somehow or another be eaten.
7. The answer is "C) The spider lays eggs in the ear of the deer and the spiderlings eat the inner ear of the deer, sometimes causing deafness."
A parasitic relationship is one in which one life form, the parasite, lives off of another living being, the host, hurting it and conceivably causing demise. The parasite lives on or in the body of the host.
As a rule, despite the fact that parasites hurt their hosts, it is in the parasite's best advantage not to murder the host, since it depends on the host's body and body capacities, for example, absorption or blood dissemination, to live.
8. The answer is "A) community".
Community, additionally called biological community, in biology, an interfacing gathering of different species in a typical area. For instance, a woods of trees and undergrowth plants, occupied by creatures and established in soil containing microscopic organisms and growths, comprises a biological community.
9. The answer is "B) all the catfish in the pond".
In biology , the term species alludes to all life forms of a similar kind that are conceivably competent, under common conditions, of rearing and creating fertile offspring. The individuals from an animal types living in a given region in the meantime comprise a populace. Every one of the populaces living and connecting inside a specific geographic territory make up an organic (or biotic) network. The living life forms in a network together with their nonliving or abiotic condition make up an ecosystem.
10. The answer is "A) a decrease in rainfall".
An ecosystem relies upon the associations of the living and nonliving components in the framework. The living things in a biological community are called biotic factors. Living things incorporate plants, creatures, microscopic organisms, growths and that's just the beginning.
- The non living parts of an environment are called abiotic factors. In a biological system some abiotic factors are daylight, temperature atmospheric gases water and soil.
- A noteworthy difference among biotic and abiotic factors is that an adjustment in any of the abiotic factors impacts the biotic elements, yet changes in the biotic components don't really result in changes to the abiotic factors. For instance, a reduction in precipitation would influence the mice populace of a region by making it diminish.
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