John Stockton

Consider the cladogram. mc010-1.jpg Which is the best description of the two organisms highlighted in orange? They are separated by two nodes. They share a recent common ancestor. They belong to the same species. They ar...

1 answer 3 months ago

Cacti typically grow in very dry climates with infrequent rainfall. When it does rain, the rain usually only penetrates a few inches into the soil. Which adaptation is most likely to help a cactus survive in the dry clim...

1 answer 3 months ago

Northern elephant seals have reduced genetic variation because hunting by humans reduced their population size to as few as 20 individuals at the end of the 19th century. Their population has since rebounded to over 30,0...

1 answer 3 months ago

Which best explains why angiosperms are the most diverse and successful plant group today? Reproduction is aided by flowers, protected seeds, and insect pollinators. Water transport and photosynthesis are aided by vascul...

1 answer 3 months ago

A student studies a plant specimen. The student notices that the plant has seeds that are enclosed by a fruit. Which term can the student use to definitely describe the plant based on the evidence that they see? angiospe...

1 answer 3 months ago

Carlos is collecting data about the length of earthworms in his backyard. The shortest worm he found is 4 inches long; the longest worm is 8 inches long. If most of the worms are either short or long, which type of distr...

1 answer 3 months ago

Yellowfin tuna, or Thunnus albacores, are large sport fish that are found in tropical and subtropical waters around the world. They typically school under objects such as boats or patches of driftwood for protection from...

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Which organism is a primary consumer in the food web below? mc020-1.jpg herbivorous duck bald eagle osprey vegetation

1 answer 3 months ago

Which is an interconnection of food chains in an ecosystem? food web trophic chain energy web producer web

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Titan triggerfish feed on coral, which is often buried under rocks on the sea floor. To access the coral, these fish turn over rocks. It has been shown that the absence of the titan triggerfish changes the population lev...

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Sample Response: In commensalism, one organism benefits, and the other neither benefits nor is harmed. In this case, plants benefited, and worms seemed neither to benefit nor be harmed. Compare your response to the sampl...

1 answer 3 months ago

Why is the interdependence of the worms and plants an example of commensalism?

1 answer 3 months ago

Do you have a copy of the Student Guide and Data Table for this lab?

1 answer 4 months ago

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