Examlex
In the 1960s, it was felt that the major factor influencing community structure was competition.
Genetic Sex
Determined by the chromosomes an individual is born with, typically XX for females and XY for males, influencing biological sex characteristics.
Males
Members of the biological sex that is typically associated with XY chromosomes, producing sperm in terms of reproductive functions.
XY
A set of sex chromosomes characteristic of male individuals in many species, including humans, where XY indicates a male genotype.
Meiosis
A type of cell division resulting in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.
Q7: Turtles are members of which lineage?<br>A)Sphenodontia<br>B)Squamata<br>C)Testudines<br>D)Archosauromorpha
Q13: Which lineage includes the tuatara as one
Q19: Which were the dominant land plants during
Q21: Which statement best reflects the current understanding
Q28: Trace the route of most mineral ions
Q36: What characteristics are consistent with a K-selected
Q44: hagfishes<br>A)Petromyzontoidea<br>B)Amphibia<br>C)Crinoidea<br>D)Metatheria<br>E)Chondrichthyes<br>F)Actinopterygii<br>G)Urochordata<br>H)Aves<br>I)Myxinoidea<br>J)Holothuroidea<br>K)Cephalochordata<br>L)Eutheria<br>M)Ophiuroidea<br>N)Testudines<br>O)Squamata<br>P)Asteroidea<br>Q)Prototheria<br>R)Echinoidea<br>S)Hemichordata
Q49: population growth under ideal conditions<br>A)ÄN/Ät = B
Q52: Which Lophotrochozoan phylum contains the most species,
Q56: Which of the following secrete spicules?<br>A)sperm<br>B)porocytes<br>C)choanocytes<br>D)amoeboid cells