You Are Studying the Response of Microscopic Predatory Nematodes to Various

question 30

Multiple Choice

You are studying the response of microscopic predatory nematodes to various prey densities. The nematodes live in soil and have a short life cycle. What model is likely to be the most appropriate?

• A) A prey-dependent functional response model
• B) A numerical response model
• C) A ratio-dependent functional response model

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Definitions:

Epidermis

The outermost layer of cells covering an organism, particularly the surface epithelium of the skin or outer layer of leaves and other plant organs.

Parenchyma

A type of living plant tissue consisting of relatively unspecialized cells with thin cell walls that function in photosynthesis, storage, and as the site of many metabolic processes.

Tracheids

Tracheids are elongated cells in the xylem of vascular plants that serve in transport and structural support, facilitating the flow of water.

Xylem

The vascular tissue in plants that conducts water and dissolved nutrients from the roots to the rest of the plant and provides structural support.