Which of the following describes Chlamydomonas?

unicellular

autotrophic

sexual reproducers

all of the above

Compare parasitism, mutualism, and commensalism.

Moss grows where there was previously only rock. Which situation describes this example? A pioneer species in primary succession a pioneer species in secondary succession a climax community in primary succession a climax community in secondary

Describe how a scientist using the phenic system would classify an organism.

Title II of the Sarbanes-Oxley Act prohibits registered public accounting firms from providing certain nonaudit services. These services include all of the following except:

How do economics affects science

Which phrase describes the way air particles vibrate with respect to the way a sound wave travels? A. Opposite to B. Parallel to C. Equal to D. Perpendicular to

Global climate change will have no impact to life on the Earth.

What makes sexually reproduced offspring genetically different from their parents?

When a person pushes a large load up an inclined plane, where does the person get the energy to do this task? A. The chemical energy in from his food is transformed into mechanical energy. B.

What is the source of the oxygen released into the air as a product of photosynthesis?