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| A branching tree that represents the evolutionary relationships among a number of species is, in scientific terms, called a(n): |
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| _______________ is the study of the evolutionary relationships among a group of organisms. |
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| The multi-level grouping of individual organisms is a means of: |
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| The problem with the biological species concept is that it assumes that organisms regularly: |
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| The binomial system of classification was developed by |
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| In classification, the taxonomic group just below family is: |
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| The kingdoms within the domain Eukarya |
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| The binomial system of classification names an organism by using a list of adjectives that describe the organism. |
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| In all the following kingdoms, fertilization and meiosis are part of the life cycle except: |
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| The scientific names we use to identify organisms are in the form of: |
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| The first person to suggest a general definition of species was: |
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| Why are donkeys and horses considered different species? |
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| Their offsping can't produce offspring |
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| Choose the highest, most inclusive category. |
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| A group of organisms at a particular level in a system of classification is called a(n): |
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| Which Kingdom inhabits some of the most extreme environments on Earth? |
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| Which kingdom only contains multicellular organisms? |
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| Extreme thermophiles belong in what group? |
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| The kingdom often referred to as an artificial group because many of its organisms are distantly related is: |
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| Organisms that are members of the same class are also members of the same |
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| Arranging organisms into a multilevel system is called |
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| Herbivores are at what trophic level within an ecosystem? |
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| Organisms in trophic level 3 are |
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| The rate at which a population can increase when food and habitat are limitless is called: |
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| The biomass of primary producers tend to be greater than that of the herbivores that consume them but herbivore biomass tends to be less than the biomass of the predators that consume them. |
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| A ___________ is a type of major land ecosystem determined mostly by the features of the climate in the area. Many are actually named for the dominant plants or lack of. |
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| A type of symbiosis in which one species benefits from the relationship while the other neither benefits nor is harmed is called: |
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| Cattle egrets have a ________ relationship with African Cape Buffaloes. |
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| When a predator population decreases in number, the prey population |
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| When a predator population decreases in number, the prey population |
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| Organisms in trophic level 3 are |
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| Characterized by permafrost and low, shrubby plants, _______ can be found nearest the poles. |
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| A type of ecosystem characterized by bioluminescent creatures eating debris can be found: |
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| in deep sea waters, below the level of light penetration |
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| Lice and their relationship with mammals is an example of what type of relationship? |
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| At least half of the terrestrial plants and animals occur in which biome? |
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| All of the different kinds of interacting organisms living within a certain area make up a: |
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| When you eat a hamburger, you are eating at which trophic level? |
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| ______________ serves to narrow niche breadth. |
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| Loss of water from the leaves of plants occurs mostly via a process known as: |
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