If there are 1000 units of energy available at the producer level of this energy pyramid how much energy will be passed to the primary consumers

Explain what pollination is and how you think it works

If a mutation happens in a body cell, will it passed down to offspring? Why or why not?

Flushing is a common side effect from taking high levels of which nutrient? umuc

There are conflicting opinions about the use of gm crops. Imagine this scenario: today we are faced with diseases we have never had to combat before; HIV-AIDS, ebola.

If a pea plant that is herterozygous for rounds, yellow peas is crossed with a pea plant that is homozygous for round peas but heterozygous for yellow peas, how many different phenotypes are their offspring expected to show?

A gradual change in phenotype over a geographical area is called a?

Which of the following changes in deciduous forests occurs in the winter? a. Trees regain their leaves. b. Trees block the flow of water and nutrients to their leaves. c. The leaves of trees begin to lose their chlorophyll. d.

Which statement about somatic mutations is true

uring which period of prenatal development would exposure to teratogens most likely cause defects to major body structures? a. embryo b. implantation c. fetus d. zygote

The table compares the features of two plant species that exist near the shoreline in South Florida. Tree Species Data Tree Species Shade Provided Native Low Exotic High The nesting sites of sea turtles are more successful when the sites have more