The number of eggs and the mass of the eggs produced by sockeye slamon depend on the amoun of matter stored by the female

1. Sperm fertilizes egg

1. larger than

Salmon break bonds in complex food molecules to release the carbon, oxygen, and hydrogen atoms needed for the formation of other molecules

changes in placodes over time allowed for the development of different structures

a mutation in DNA affected the types of proteins produced by placodes

the same sequences are found in the genetic information of theropods and birds

Mammals and dinosaurs descended from a common ancestor. This ancestor must have had placodes and passed them down through generations. Figure 2 shows that dinosaurs and mammals have a common ancestor.

trees from site 1 grow less rapidly than trees from ste 2 because the trees have slower rates of cellular respiration at site 1 than at site 2

more energy is available to transer from the trophic level occupied by the red deer at lower elevations than from the same trophic level at higher elevations

1. higher-than-average

When it rains, the trees are able to get nutrients and can quicken their photosynthesis. This produces more glucose. In table 2, you can see that trees with more rain have a greater diameter. An increase in diameter shows that more glucose is being created in the areas with more rainfall.

1. is hair length in german sheperds a dominant or recessive trait?

1. vaccines

snails with yellow shells and baning are less able to survive in wood habitats

yellow-banded snails will become more common in areas that have historically cooler temperatures

1. decrease

In graph 1, the unbanded snails tend to have a brown shell color and live in the woods. The banded snails tend to have a yellow or brown shell color and live in the hedge or meadow. The yellow-banded shell snails live in the meadow and the brown-banded shell snails live in the hedge.

1. 5%

50% of plants with red flowers, 50% of plants with purple flowers

1. light energy is absorbed by chlorophyll

a reduction in carrying capacity due to habitat loss

biodiversity has decreased because a variety of habitats have been reduced

protect grasslands and prairies from development

Strategy 3 is most likely to have the best outcome because it is clear that agriculture is the issue. When looking at the changes from pre-European times to the 2000s, you can see that the biggest change is the amount of agriculture present. In the first table, it says that desserts, open grasslands, prairies, and scrublands are the Kit fox's preferred habitat, making it harder for them to survive. By restoring their habitats they are most likely to thrive and reproduce, taking them off of the enlargement species list.

1. a single nucleotide base in the enhancer sequence changed, which caused an activator protein to bind to the enhancer squence

what happens when an activiator protein binds to the working enhancer ina strand of DNA?

1. normal

1. use a microscope to examine changes in leaf cells placed in solutions of 1% or 10% salt

the endocrine system floods the circulatory system with hormanones that affect several other body systems

over time, pink shrimp have adapted to eat a wider variety of prey speicies compared to other predator species

the pathogen is most likely a virus because of its size and its treament

1. mice that have dark fur and live on sandy-colored rock are easy prey for hungry hawks and owls

1. organs within each system

1. a large sheephead population will cause the sea urchin population to decrease

longer males are able to outcompete shorter males for access to females