Fish are classified as vertebrates because they have

a. a brain.

b. a backbone.

c. two germ layers.

d. bilateral symmetry.

Alike between pathogens and antibodies

Looking at figure 25-1 above. wich letter represents the hollow nerve cord? a b c or d

How does fertilization occur? when two cells, egg and sperm, join together and the resulting cell has a complete set of chromosomes happens between to organisms in which one harms the other the joining of egg and sperm together when a cell

There is no matrix in blood because it is a liquid. a. True b. False?

How does atp release energy that can be used by living cells?

Which is the most correct definition of anthropology? it is the study of modern human cultures it is the study of how human evolution contributed to modern culture it is the study of ancient human culture, comparing it to modern human culture it is

What is copied during replication A. mRNA B. tRNA C. rRNA D. DNA

In chickens, congenital baldness results from a Z-linked recessive gene. A bald rooster is mated with a normal hen. The Fi from this corss are interbred to produce the F2 ... The F2 progeny will include? A. only normal roosters & hens B.

Which isotope of uranium used in nuclear field?

When you complete a monohybrid cross with a homozygous dominant male fruitfly and a homozygous recessive female fruitfly, all the offspring will be of what genotype? A. heterozygous B. recessive dominant C. heterozygous dominant