The broad, spread-out part of the leaf is called the or lamina and its edge is called the. The tip of the leaf is called the . Leaves of some plants have a stalk called

a . The portion of the leaf attached to the stem is called the . Small leaf-like

structures may be present near the leaf-base. These are called ​

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

When a gasoline engine burns gasoline, what type of chemical reaction is occurring?