A prey population consists of individuals with a variety of running speeds. The adaptation that allows some of these animals to run fast would be an
example of natural selection if it helps them - *
Variation of Running Speeds
Running speed
of predator
Number of Prey Animals
Prey animals better
able to survive
Slow
Fast
Running Speed
A survive and undergo mutations in their DNA
B lower the mortality rates of the population
C produce offspring that run at average speeds
D reproduce and increase the frequency of their genes in the population

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens

Yeast cells reproduce quickly by budding. this is a form of reproduction so all the yeast cells a) sexual; vary b) asexual; vary c) asexual; are identical d) sexual; differ from the parents submit hint structures and functions of cells cellular reproduction