Ecology Unit I

The horns of the oryx aid in thermoregulation as they dissipate heat. Horns can therefore be referred to as ___.

Which of the following plants has a CAM carbon fixation pathway?

A species that is likely to have distinct temporal distributions, that vary seasonally, is a ____.

Soil NaCl content declines from the edge of an estuary to upland areas. The term that best applies here is ___.

The current distribution of brown bears across the northern hemisphere is likely and largely due to past ____ events.

Nutrients, such as N, C, and P, are recycled in an ecosystem while the flow of energy is unidirectional.

Mudpuppies are aquatic salamanders that live in freshwater environments. Tissues would be ___ to the surrounding water.

Which of the following is an adaptation to desert living in plants:

The world wide distribution of the Aldabra Tortoise on Aldabra Atoll can best be described as ____

The line that represents plants reared at intermediate light intensity is:

The photosynthetic pigments that would absorb light in the orange-red wavelengths would be:

The light compensation point is represented by:

Pseudocopulation facilitates the apopmictic production of offspring in ___.

The total range of seed sizes consumed by a granivorous bird species is its ____.

The data in the image are an example of:

The item labeled "II." is a mesophyll cell.

Range expansion in dogwoods occurs mainly through?

Osmotic processes that would occur in a marine teleost fish would include:

The number of offspring that are produced by an individual is its "fitness".

A hagfish is an osmoconformer and if seawater is 1000 mOsm, its blood would be 350 mOsm.

Natural selection in the nonrandom differential reproductive success within a species.

A downwelling dry air is represented by

An ecologist studies body size differences in wetlands that differ in primary production. The dependent variable is :

A desert frog would be expected to have tadpoles that would develop more rapidly than a frog in a large MI marsh.

A species that exists in an area as a consequence of natural processes is best termed ____.

For a feeding niche axis, the realized niche breadth will always be larger than the fundamental niche breadth.

Tradewinds are represented by :

A downwelling of dry air is indicated by "4.".

Which of the following is a characteristic of a desert vertebrate (mouse or lizard etc.)?

The n-dimensional hyper volume of all biotic and abiotic factors that affect an organism is the ___.

In which zone is the distribution and abundance of species determined by extreme environmental conditions is:

A spider's color dynamically matches that of the flower petals that they are on over time, a term that applies here:

A primary consumer would be II.

In C₄ plants, carbon fixation and the Calvin Cycle both occur in mesophyll cells:

In the figure:

A level of ecological organization that is represented in the image below is best termed ____.

A species that is likely a C₃ plant and that is adapted to a relatively cool environment is:

The distribution of the plant Charyodaphnopsis airy is best described as:

The current distribution of ratite (flightless birds) group is most likely due to past _____ events.

The dispersion pattern depicted in the image is ___.

One of the most important adaptive aspects of CAM plants is:

A species is distributed in subpopulations. The collective term for the subpopulations is:

A common feature found in a marine teleost fish and in a desert mammal is:

In the light-dependent reactions of photosynthesis, CO₂ is fixed and converted to glucose.

All of the following are conditions that are necessary for natural selection to occur except:

In C₃ plants CO₂ is fixed by binding it to RuBP to form 3-PG molecules through rubisco activity.

Which of the following is true about the mountain yellow-legged frog and trout experiment?

The density of snakes in a field would best be expressed as _____.

Rank C₃, C₄, and CAM based on increasing rates of photosynthesis:

The struture of the Himalayan Wholley plant allows: