TLS Online TPP Program

#Id: 7189

#Unit 5. Developmental Biology

Brain formation requires,  inhibiting both the Wnt and BMP pathways.

TLS Online TPP Program

#Id: 7339

#Unit 11. Evolution and Behavior

Positive assortative mating

Individuals' mate with others who are like themselves phenotypically for selected traits. The net effect of positive assortative mating is a progressive increase in the number of  homozygous genotypes (AA and aa)

TLS Online TPP Program

#Id: 7398

#Unit 5. Developmental Biology

Ventral follicle cells synthesize Pipe. Pipe signal sulfates ventral vitelline proteins

TLS Online TPP Program

#Id: 5532

#Unit 7. System Physiology – Animal

Thin descending and thin ascending segments, have thin epithelial membranes with no brush borders, few mitochondria, & minimal levels of metabolic activity.

TLS Online TPP Program

#Id: 8235

#Unit 10. Ecological Principles

Clustered dispersions

Social groups

Clustered resources

Offspring that remain close to their parents.