TLS Online TPP Program

#Id: 5372

#Unit 10. Ecological Principles

Baited snap traps, Population density can thus be estimated as the number of animals caught per trap or per unit area where a given number of traps are set.

TLS Online TPP Program

#Id: 4308

#Unit 11. Evolution and Behavior

Haldane’s rule: hybrid sterility or hybrid inviability is often limited to the heterogametic sex. (The heterogametic sex is the one with two different sex chromosomes, while the homogametic sex has two sex chromosomes of the same type).

TLS Online TPP Program

#Id: 9540

#Unit 11. Evolution and Behavior

Carolus Linnaeus - Classified “related” species into genera, “related” genera into orders, and so on. 

To him, “relatedness” meant propinquity in the Creator’s design.

TLS Online TPP Program

#Id: 10340

#Unit 4. Cell Communication and Cell Signaling

B cell Development

TLS Online TPP Program

#Id: 932

#Unit 5. Developmental Biology

A totipotent stem cell can generate all cell types of both embryonic and extraembryonic lineages.