In addition to seeds, which of the following characteristics are unique to the seed-producing plants?

A) sporopollenin

B) lignin present in cell walls

C) pollen

D) use of air currents as a dispersal agent

E) megaphylls

C) There are six living species of mammals called hyraxes in the order Hyracoidea. These are small rabbit-like mammals that are also considered to be close relatives of both dugongs and elephants.

Humans are responsible for causing global warming. This is an example of which of the following

All members of the kingdom Protista are A. prokaryotic. B. photosynthetic. C. autotrophic. D. eukaryotic.

Identify the major structures of the male reproductive system that produce the different components of semen.

What green pigment in plants absorbs light energy?

Breeding stock can receive implants true or fakse

The temperature in a room is 56c. What would the velocity of a sound wave be at this temperature

Which definition describes endosymbiosis best? a symbiotic relationship in which one organism lives on the other organism and both organisms benefit a symbiotic relationship in which one organism lives inside the other and both organisms benefit a

Which symbols (genotypes) are involved in the cross to produce the F2 generation of roan cattle? a. RR x rr b. Rr x rr c. Rr x Rr d. rr x rr

What is the raw material of evolutionary change?