Author: Anonymous

1a. Vertebral column present – vertebrate 1b. Vertebral column absent go to (2) 2a. 3 or more body segments go to (3) 2b. 2 body segments go to (4) 3a. wings possible – insect 3b. no wings – millipede 4a. antennae absent – arachnid 4b. antennae present – crustacean According to the table and dichotomous key shown above, which of the following conclusions can be drawn about the organisms?

Humans most frequently acquire trichinosis (infection by Trichinella spiralis) by

An ecological relationship between organisms of different species that are in direct contact can best be described as _____. (Two organisms living together in a close association.)

The diffusion of water vapor from a plant is called ____.

SLO 5 Under a microscope, the following eukaryotic single celled organisms were viewed. Some were photosynthetic and some were heterotrophic. All three organisms were in the same kingdom. They can be identified as what type of organisms?

The diffusion of water vapor from a plant is called ____.

SLO 5 Under a microscope, the following eukaryotic single celled organisms were viewed. Some were photosynthetic and some were heterotrophic. All three organisms were in the same kingdom. They can be identified as what type of organisms?

Desertification removes the base of the food chain.

What structure protects the root as it pushes its way through the soil?

Increased surface area increases the number of molecules that can be collected from the air. According to this information, which beetle antenna is best adapted for chemically sensing the air?