1. flatworms are the first organism we have discussed with an anterior posterior orientation how does this affect their movements compared to the movement of more primitive organisms 2. What are the disadvantages of a flatworm’s digestive system having only one opening 3. the complete digestive tract of nematodes and […]

Q1. The photosystem channels the excitation energy gathered by absorption of light by any one of the pigment molecules to a specific “reaction center chlorophyll,” which in turn passes the energy to? Q2. With an iodine research that is tested on a potato, rice, an amber liquid, and clear liquid, […]

Imagine you are an ecologist, and you do a census of all of the animal species within a particular ecosystem. You discover that the total combined populations of the tertiary consumer species in the ecosystem are a lot smaller than the combined total population sizes of all of the secondary […]

Suppose that you discover a new plant species that seems to survive under a wide variety of environmental conditions. Explain an effective, but low budget approach(ie: not a genome study) to discern wheather the wid niche that this species has is due to phenotypic plasticity or local adaptation. Also, answer […]