A certain unicellular eukaryote has cellulose based plates/shell, a pair of whiplike flagella, may be photosynthetic or heterotrophic, and population ‘blooms’ cause fish and shellfish and other animals to die from their toxins: to which group does it belong?
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Heat pits and Jacobson’s organs are found in what kind of ve…
Heat pits and Jacobson’s organs are found in what kind of vertebrate:
Which of the following describes an example of possible symp…
Which of the following describes an example of possible sympatric speciation:
Viviparity of some type occurs in at least some members of w…
Viviparity of some type occurs in at least some members of which of the following vertebrate groups:
The theory of endosymbiosis:
The theory of endosymbiosis:
Diploblastic organisms are found in which phylum:
Diploblastic organisms are found in which phylum:
Which structure(s) is/are lacking in bacteria?
Which structure(s) is/are lacking in bacteria?
What vertebrate detects the bioelectrical signals given off…
What vertebrate detects the bioelectrical signals given off by prey [a], and what structure do they have that does this [b]:
The fused clavicle bones of birds which most people know by…
The fused clavicle bones of birds which most people know by the term ‘wishbone’ is termed a:
Which of the following are NOT a characteristic of gymnosper…
Which of the following are NOT a characteristic of gymnosperms?