Which of the following is true of conifers?
A) Female cones produce pollen that fertilizes the egg.
B) Most coniferous trees have both male and female cones.
C) Male cones cannot produce pollen unless fertilized by the female cone.
D) Female cones produce pollen that is trapped by the male cones’ scales.

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.

The serengeti plains are part of the african savanna ecosystem and are home to a variety of different species of plants and animals. the serengeti plains experience a seven-month period of seasonal drought each year, during which the ecosystem receives only four inches of rain and the availability of some resources becomes very scarce. which type of limiting factors does the seasonal drought in the serengeti plains affect?