Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for
this claim?
O
A. As humans develop more land, natural habitats are lost or fragmented.
B. In many species, life cycle events are adapted to occur with seasonal temperature changes.
C. Species survive only in specific habitats, and cannot relocate when their environment changes.
O
D. Species can tolerate variations in temperature, but not variations in precipitation, humidity, or other weather factors.

Explain how ancient whale fossils found in eqypt are believed to support the theory of evolution.

Determine if the following statement is true or false. if true, choose true. if false, choose the rewording that is true. according to the law of independent assortment, alleles for each gene are inherited together so that they always stay together. according to the law of independent assortment, offspring express a combination of their parents' traits. according to the law of independent assortment, alleles for a characteristic split during meiosis and combine during fertilization. true according to the law of independent assortment, alleles for each gene are inherited independently so that no two alleles stay together.

This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.