Joe Student is looking through a microscope at a sample of planktonic life filtered from the Gulf of Mexico. He discovers a single-celled organism with no pigmentation, but with a glassy-looking and porous shell or skeleton. Through the pores, tiny extensions of cytoplasm extend out in all directions, stiffened by thin rods. Joe is correct in thinking he is observing a member of the

Explanation:

1. By the, the observations that Joe found, he discovers a single celled organism,  which shows various symptoms like; i) no pigmentation,  ii) glassy looking, iii) porous shell or skeleton, iv) tiny extensions of cytoplasm extent in all directions and  v) stiffened by thin rods, Joe concluded that, he is dealing with member of Rhizarians.

2. These all qualities show that it is a member of Rhizarians.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

flooding wildfire landslides climate change the factors listed have an immediate effect on the animal populations found in any habitat. the four factors would lead to a death. b emigration. eliminate c immigration. d mutations.